22552211221892 has 24 divisors (see below), whose sum is σ = 43070232888480. Its totient is φ = 10247192847360.

The previous prime is 22552211221871. The next prime is 22552211221913. The reversal of 22552211221892 is 29812211225522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22552211221871) and next prime (22552211221913).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95186678 + ... + 95423309.

It is an arithmetic number, because the mean of its divisors is an integer number (1794593037020).

Almost surely, 2^{22552211221892} is an apocalyptic number.

22552211221892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22552211221892 is a deficient number, since it is larger than the sum of its proper divisors (20518021666588).

22552211221892 is a wasteful number, since it uses less digits than its factorization.

22552211221892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190612691 (or 190612689 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The spelling of 22552211221892 in words is "twenty-two trillion, five hundred fifty-two billion, two hundred eleven million, two hundred twenty-one thousand, eight hundred ninety-two".