22102951752 has 108 divisors (see below), whose sum is σ = 69663406995. Its totient is φ = 6312606048.

The previous prime is 22102951643. The next prime is 22102951777. The reversal of 22102951752 is 25715920122.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 11051475876 + 11051475876 = 105126^2 + 105126^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105126.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 8829333 + ... + 8831835.

Almost surely, 2^22102951752 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 22102951752

22102951752 is an abundant number, since it is smaller than the sum of its proper divisors (47560455243).

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

22102951752 is an equidigital number, since it uses as much as digits as its factorization.

22102951752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032 (or 2515 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 22102951752 in words is "twenty-two billion, one hundred two million, nine hundred fifty-one thousand, seven hundred fifty-two".