22187375953 has 2 divisors, whose sum is σ = 22187375954. Its totient is φ = 22187375952.

The previous prime is 22187375911. The next prime is 22187376047. The reversal of 22187375953 is 35957378122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20240183824 + 1947192129 = 142268^2 + 44127^2 .

It is a cyclic number.

It is not a de Polignac number, because 22187375953 - 2¹⁷ = 22187244881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22187375953.

It is not a weakly prime, because it can be changed into another prime (22187375453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11093687976 + 11093687977.

It is an arithmetic number, because the mean of its divisors is an integer number (11093687977).

Almost surely, 2^22187375953 is an apocalyptic number.

It is an amenable number.

22187375953 is a deficient number, since it is larger than the sum of its proper divisors (1).

22187375953 is an equidigital number, since it uses as much as digits as its factorization.

22187375953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 52.

The spelling of 22187375953 in words is "twenty-two billion, one hundred eighty-seven million, three hundred seventy-five thousand, nine hundred fifty-three".