22133075825 has 18 divisors (see below), whose sum is σ = 31925834406. Its totient is φ = 15176965440.

The previous prime is 22133075821. The next prime is 22133075827. The reversal of 22133075825 is 52857033122.

It can be written as a sum of positive squares in 3 ways, for example, as 2083648609 + 20049427216 = 45647^2 + 141596^2 .

It is not a de Polignac number, because 22133075825 - 2² = 22133075821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22133075821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9032684 + ... + 9035133.

It is an arithmetic number, because the mean of its divisors is an integer number (1773657467).

Almost surely, 2^22133075825 is an apocalyptic number.

22133075825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22133075825 is a deficient number, since it is larger than the sum of its proper divisors (9792758581).

22133075825 is a wasteful number, since it uses less digits than its factorization.

22133075825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18067841 (or 18067829 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 22133075825 in words is "twenty-two billion, one hundred thirty-three million, seventy-five thousand, eight hundred twenty-five".