22510561024 has 72 divisors (see below), whose sum is σ = 51757088768. Its totient is φ = 9571322880.

The previous prime is 22510560991. The next prime is 22510561037. The reversal of 22510561024 is 42016501522.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 22510560983 and 22510561001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178129 + ... + 277039.

Almost surely, 2^22510561024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22510561024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25878544384).

22510561024 is an abundant number, since it is smaller than the sum of its proper divisors (29246527744).

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

22510561024 is an equidigital number, since it uses as much as digits as its factorization.

22510561024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99061 (or 99047 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 22510561024 in words is "twenty-two billion, five hundred ten million, five hundred sixty-one thousand, twenty-four".