22452445225 has 24 divisors (see below), whose sum is σ = 31823945280. Its totient is φ = 15393241920.

The previous prime is 22452445177. The next prime is 22452445231. The reversal of 22452445225 is 52254425422.

It is not a de Polignac number, because 22452445225 - 2⁷ = 22452445097 is a prime.

It is a super-2 number, since 2×22452445225² (a number of 22 digits) contains 22 as substring.

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, 1898631 + ... + 1910419.

It is an arithmetic number, because the mean of its divisors is an integer number (1325997720).

Almost surely, 2^22452445225 is an apocalyptic number.

22452445225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22452445225 is a deficient number, since it is larger than the sum of its proper divisors (9371500055).

22452445225 is a wasteful number, since it uses less digits than its factorization.

22452445225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22689 (or 22684 counting only the distinct ones).

The product of its digits is 256000, while the sum is 37.

The spelling of 22452445225 in words is "twenty-two billion, four hundred fifty-two million, four hundred forty-five thousand, two hundred twenty-five".