921913835622 has 16 divisors (see below), whose sum is σ = 1985660569200. Its totient is φ = 283665795552.

The previous prime is 921913835551. The next prime is 921913835641. The reversal of 921913835622 is 226538319129.

It is a happy number.

It is a super-2 number, since 2×921913835622² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5909703997 + ... + 5909704152.

It is an arithmetic number, because the mean of its divisors is an integer number (124103785575).

Almost surely, 2^921913835622 is an apocalyptic number.

921913835622 is an abundant number, since it is smaller than the sum of its proper divisors (1063746733578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

921913835622 is a wasteful number, since it uses less digits than its factorization.

921913835622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819408167.

The product of its digits is 1399680, while the sum is 51.

The spelling of 921913835622 in words is "nine hundred twenty-one billion, nine hundred thirteen million, eight hundred thirty-five thousand, six hundred twenty-two".