22155253252 has 24 divisors (see below), whose sum is σ = 42302568672. Its totient is φ = 10069099200.

The previous prime is 22155253231. The next prime is 22155253261. The reversal of 22155253252 is 25235255122.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 303352 + ... + 369232.

It is an arithmetic number, because the mean of its divisors is an integer number (1762607028).

Almost surely, 2^22155253252 is an apocalyptic number.

22155253252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22155253252 is a deficient number, since it is larger than the sum of its proper divisors (20147315420).

22155253252 is a wasteful number, since it uses less digits than its factorization.

22155253252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73539 (or 73537 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The spelling of 22155253252 in words is "twenty-two billion, one hundred fifty-five million, two hundred fifty-three thousand, two hundred fifty-two".