22981536050 has 54 divisors (see below), whose sum is σ = 47009015319. Its totient is φ = 8352634400.

The previous prime is 22981536043. The next prime is 22981536101. The reversal of 22981536050 is 5063518922.

It can be written as a sum of positive squares in 5 ways, for example, as 15678295369 + 7303240681 = 125213^2 + 85459^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=107195.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22981535989 and 22981536007.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11790476 + ... + 11792424.

Almost surely, 2^22981536050 is an apocalyptic number.

22981536050 is an abundant number, since it is smaller than the sum of its proper divisors (24027479269).

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

22981536050 is an equidigital number, since it uses as much as digits as its factorization.

22981536050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 22981536050 in words is "twenty-two billion, nine hundred eighty-one million, five hundred thirty-six thousand, fifty".