22818548225 has 24 divisors (see below), whose sum is σ = 30884416128. Its totient is φ = 16586091200.

The previous prime is 22818548219. The next prime is 22818548243. The reversal of 22818548225 is 52284581822.

It is not a de Polignac number, because 22818548225 - 2¹⁰ = 22818547201 is a prime.

It is a super-2 number, since 2×22818548225² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22818548225.

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, 494072 + ... + 538278.

It is an arithmetic number, because the mean of its divisors is an integer number (1286850672).

Almost surely, 2^22818548225 is an apocalyptic number.

22818548225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22818548225 is a deficient number, since it is larger than the sum of its proper divisors (8065867903).

22818548225 is a wasteful number, since it uses less digits than its factorization.

22818548225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46105 (or 46100 counting only the distinct ones).

The product of its digits is 819200, while the sum is 47.

The spelling of 22818548225 in words is "twenty-two billion, eight hundred eighteen million, five hundred forty-eight thousand, two hundred twenty-five".