22553722425 has 24 divisors (see below), whose sum is σ = 40157193664. Its totient is φ = 11103370560.

The previous prime is 22553722417. The next prime is 22553722427. The reversal of 22553722425 is 52422735522.

It is not a de Polignac number, because 22553722425 - 2³ = 22553722417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22553722427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11565037 + ... + 11566986.

Almost surely, 2^22553722425 is an apocalyptic number.

22553722425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22553722425 is a deficient number, since it is larger than the sum of its proper divisors (17603471239).

22553722425 is a wasteful number, since it uses less digits than its factorization.

22553722425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23132049 (or 23132044 counting only the distinct ones).

The product of its digits is 336000, while the sum is 39.

The spelling of 22553722425 in words is "twenty-two billion, five hundred fifty-three million, seven hundred twenty-two thousand, four hundred twenty-five".