22510012028 has 24 divisors (see below), whose sum is σ = 45023204352. Its totient is φ = 9646466544.

The previous prime is 22510012013. The next prime is 22510012039. The reversal of 22510012028 is 82021001522.

It is a junction number, because it is equal to n+sod(n) for n = 22510011994 and 22510012012.

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, 737201 + ... + 767127.

It is an arithmetic number, because the mean of its divisors is an integer number (1875966848).

Almost surely, 2^22510012028 is an apocalyptic number.

22510012028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22510012028 is an abundant number, since it is smaller than the sum of its proper divisors (22513192324).

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

22510012028 is a wasteful number, since it uses less digits than its factorization.

22510012028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56801 (or 56799 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The spelling of 22510012028 in words is "twenty-two billion, five hundred ten million, twelve thousand, twenty-eight".