22985019512 has 64 divisors (see below), whose sum is σ = 54336139200. Its totient is φ = 8871183360.

The previous prime is 22985019509. The next prime is 22985019517. The reversal of 22985019512 is 21591058922.

It is a super-2 number, since 2×22985019512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22985019517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355187 + ... + 414882.

It is an arithmetic number, because the mean of its divisors is an integer number (849002175).

Almost surely, 2^22985019512 is an apocalyptic number.

It is an amenable number.

22985019512 is an abundant number, since it is smaller than the sum of its proper divisors (31351119688).

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

22985019512 is a wasteful number, since it uses less digits than its factorization.

22985019512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770136 (or 770132 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 22985019512 in words is "twenty-two billion, nine hundred eighty-five million, nineteen thousand, five hundred twelve".