22153565342231 has 2 divisors, whose sum is σ = 22153565342232. Its totient is φ = 22153565342230.

The previous prime is 22153565342203. The next prime is 22153565342273. The reversal of 22153565342231 is 13224356535122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22153565342231 is a prime.

It is a super-2 number, since 2×22153565342231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22153565345231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11076782671115 + 11076782671116.

It is an arithmetic number, because the mean of its divisors is an integer number (11076782671116).

Almost surely, 2^{22153565342231} is an apocalyptic number.

22153565342231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22153565342231 is an equidigital number, since it uses as much as digits as its factorization.

22153565342231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 44.

The spelling of 22153565342231 in words is "twenty-two trillion, one hundred fifty-three billion, five hundred sixty-five million, three hundred forty-two thousand, two hundred thirty-one".