22252530405025 has 12 divisors (see below), whose sum is σ = 28266141062124. Its totient is φ = 17367828608000.

The previous prime is 22252530405023. The next prime is 22252530405037. The reversal of 22252530405025 is 52050403525222.

It can be written as a sum of positive squares in 6 ways, for example, as 6996702136384 + 15255828268641 = 2645128^2 + 3905871^2 .

It is not a de Polignac number, because 22252530405025 - 2¹ = 22252530405023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22252530405023) 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, 10854891856 + ... + 10854893905.

It is an arithmetic number, because the mean of its divisors is an integer number (2355511755177).

Almost surely, 2^{22252530405025} is an apocalyptic number.

22252530405025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22252530405025 is a deficient number, since it is larger than the sum of its proper divisors (6013610657099).

22252530405025 is a wasteful number, since it uses less digits than its factorization.

22252530405025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21709785812 (or 21709785807 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 22252530405025 in words is "twenty-two trillion, two hundred fifty-two billion, five hundred thirty million, four hundred five thousand, twenty-five".