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3346221 = 31115407
BaseRepresentation
bin1100110000111100101101
320022000011010
430300330231
51324034341
6155415433
740304514
oct14607455
96260133
103346221
11198607a
121154579
13902118
1463167b
15461716
hex330f2d

3346221 has 4 divisors (see below), whose sum is σ = 4461632. Its totient is φ = 2230812.

The previous prime is 3346219. The next prime is 3346237. The reversal of 3346221 is 1226433.

It is a happy number.

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.

It is not a de Polignac number, because 3346221 - 21 = 3346219 is a prime.

It is a super-2 number, since 2×33462212 = 22394389961682, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3346241) 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, 557701 + ... + 557706.

It is an arithmetic number, because the mean of its divisors is an integer number (1115408).

Almost surely, 23346221 is an apocalyptic number.

It is an amenable number.

3346221 is a deficient number, since it is larger than the sum of its proper divisors (1115411).

3346221 is a wasteful number, since it uses less digits than its factorization.

3346221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115410.

The product of its digits is 864, while the sum is 21.

The square root of 3346221 is about 1829.2678863414. The cubic root of 3346221 is about 149.5724268103.

It can be divided in two parts, 334 and 6221, that added together give a triangular number (6555 = T114).

The spelling of 3346221 in words is "three million, three hundred forty-six thousand, two hundred twenty-one".

Divisors: 1 3 1115407 3346221