22045243316231 has 4 divisors (see below), whose sum is σ = 22045264171200. Its totient is φ = 22045222461264.

The previous prime is 22045243316227. The next prime is 22045243316249. The reversal of 22045243316231 is 13261334254022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22045243316231 - 2² = 22045243316227 is a prime.

It is a super-2 number, since 2×22045243316231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045243306231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8752151 + ... + 10985928.

It is an arithmetic number, because the mean of its divisors is an integer number (5511316042800).

Almost surely, 2^{22045243316231} is an apocalyptic number.

22045243316231 is a deficient number, since it is larger than the sum of its proper divisors (20854969).

22045243316231 is a wasteful number, since it uses less digits than its factorization.

22045243316231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20854968.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 22045243316231 in words is "twenty-two trillion, forty-five billion, two hundred forty-three million, three hundred sixteen thousand, two hundred thirty-one".