22150531225 has 24 divisors (see below), whose sum is σ = 30346807680. Its totient is φ = 15952907520.

The previous prime is 22150531199. The next prime is 22150531237. The reversal of 22150531225 is 52213505122.

It is not a de Polignac number, because 22150531225 - 2⁹ = 22150530713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22150531193 and 22150531202.

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 23 ways as a sum of consecutive naturals, for example, 1123245 + ... + 1142794.

It is an arithmetic number, because the mean of its divisors is an integer number (1264450320).

Almost surely, 2^22150531225 is an apocalyptic number.

22150531225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22150531225 is a deficient number, since it is larger than the sum of its proper divisors (8196276455).

22150531225 is a wasteful number, since it uses less digits than its factorization.

22150531225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266089 (or 2266084 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 22150531225 in words is "twenty-two billion, one hundred fifty million, five hundred thirty-one thousand, two hundred twenty-five".