22455928925 has 12 divisors (see below), whose sum is σ = 27966954420. Its totient is φ = 17886289920.

The previous prime is 22455928909. The next prime is 22455928927. The reversal of 22455928925 is 52982955422.

It can be written as a sum of positive squares in 6 ways, for example, as 231678841 + 22224250084 = 15221^2 + 149078^2 .

It is not a de Polignac number, because 22455928925 - 2⁴ = 22455928909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22455928927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1955492 + ... + 1966941.

It is an arithmetic number, because the mean of its divisors is an integer number (2330579535).

Almost surely, 2^22455928925 is an apocalyptic number.

22455928925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22455928925 is a deficient number, since it is larger than the sum of its proper divisors (5511025495).

22455928925 is a wasteful number, since it uses less digits than its factorization.

22455928925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922672 (or 3922667 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 53.

The spelling of 22455928925 in words is "twenty-two billion, four hundred fifty-five million, nine hundred twenty-eight thousand, nine hundred twenty-five".