22355551250 has 30 divisors (see below), whose sum is σ = 41913156153. Its totient is φ = 8940106000.

The previous prime is 22355551243. The next prime is 22355551271. The reversal of 22355551250 is 5215555322.

It can be written as a sum of positive squares in 8 ways, for example, as 4057307809 + 18298243441 = 63697^2 + 135271^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105725.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22355551250.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5284136 + ... + 5288364.

Almost surely, 2^22355551250 is an apocalyptic number.

22355551250 is a deficient number, since it is larger than the sum of its proper divisors (19557604903).

22355551250 is an frugal number, since it uses more digits than its factorization.

22355551250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480 (or 4236 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 22355551250 in words is "twenty-two billion, three hundred fifty-five million, five hundred fifty-one thousand, two hundred fifty".