22553477525 has 6 divisors (see below), whose sum is σ = 27966312162. Its totient is φ = 18042782000.

The previous prime is 22553477501. The next prime is 22553477537. The reversal of 22553477525 is 52577435522.

It can be written as a sum of positive squares in 3 ways, for example, as 2748964 + 22550728561 = 1658^2 + 150169^2 .

It is not a de Polignac number, because 22553477525 - 2⁸ = 22553477269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22553477525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 451069526 + ... + 451069575.

It is an arithmetic number, because the mean of its divisors is an integer number (4661052027).

Almost surely, 2^22553477525 is an apocalyptic number.

22553477525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22553477525 is a deficient number, since it is larger than the sum of its proper divisors (5412834637).

22553477525 is an equidigital number, since it uses as much as digits as its factorization.

22553477525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902139111 (or 902139106 counting only the distinct ones).

The product of its digits is 2940000, while the sum is 47.

The spelling of 22553477525 in words is "twenty-two billion, five hundred fifty-three million, four hundred seventy-seven thousand, five hundred twenty-five".