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10342221 = 33447407
BaseRepresentation
bin100111011100…
…111101001101
3201110102212020
4213130331031
510121422341
61005400353
7153623151
oct47347515
921412766
1010342221
11592429a
1235690b9
1321b1576
141533061
15d94566
hex9dcf4d

10342221 has 4 divisors (see below), whose sum is σ = 13789632. Its totient is φ = 6894812.

The previous prime is 10342219. The next prime is 10342223. The reversal of 10342221 is 12224301.

10342221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12224301 = 34074767.

It is an interprime number because it is at equal distance from previous prime (10342219) and next prime (10342223).

It is a cyclic number.

It is not a de Polignac number, because 10342221 - 21 = 10342219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10342221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10342223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1723701 + ... + 1723706.

It is an arithmetic number, because the mean of its divisors is an integer number (3447408).

Almost surely, 210342221 is an apocalyptic number.

It is an amenable number.

10342221 is a deficient number, since it is larger than the sum of its proper divisors (3447411).

10342221 is an equidigital number, since it uses as much as digits as its factorization.

10342221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447410.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 10342221 is about 3215.9323686919. The cubic root of 10342221 is about 217.8735975696.

Adding to 10342221 its reverse (12224301), we get a palindrome (22566522).

It can be divided in two parts, 103 and 42221, that added together give a palindrome (42324).

The spelling of 10342221 in words is "ten million, three hundred forty-two thousand, two hundred twenty-one".

Divisors: 1 3 3447407 10342221