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10002201223 = 71428885889
BaseRepresentation
bin10010101000010110…
…10111101010000111
3221211001220110122011
421110023113222013
5130441030414343
64332301515051
7502602210340
oct112413275207
927731813564
1010002201223
114272a88903
121b31872a87
13c352ab381
146ac5770c7
153d819529d
hex2542d7a87

10002201223 has 4 divisors (see below), whose sum is σ = 11431087120. Its totient is φ = 8573315328.

The previous prime is 10002201221. The next prime is 10002201227. The reversal of 10002201223 is 32210220001.

10002201223 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 32210220001 = 94213418981.

It is a cyclic number.

It is not a de Polignac number, because 10002201223 - 21 = 10002201221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714442938 + ... + 714442951.

It is an arithmetic number, because the mean of its divisors is an integer number (2857771780).

Almost surely, 210002201223 is an apocalyptic number.

10002201223 is a deficient number, since it is larger than the sum of its proper divisors (1428885897).

10002201223 is an equidigital number, since it uses as much as digits as its factorization.

10002201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428885896.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10002201223 its reverse (32210220001), we get a palindrome (42212421224).

The spelling of 10002201223 in words is "ten billion, two million, two hundred one thousand, two hundred twenty-three".

Divisors: 1 7 1428885889 10002201223