22431942569 has 8 divisors (see below), whose sum is σ = 23745120960. Its totient is φ = 21154741776.

The previous prime is 22431942557. The next prime is 22431942587. The reversal of 22431942569 is 96524913422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22431942569 is a prime.

It is a super-2 number, since 2×22431942569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22431942769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8993117 + ... + 8995610.

It is an arithmetic number, because the mean of its divisors is an integer number (2968140120).

Almost surely, 2^22431942569 is an apocalyptic number.

22431942569 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22431942569 is a deficient number, since it is larger than the sum of its proper divisors (1313178391).

22431942569 is a wasteful number, since it uses less digits than its factorization.

22431942569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17988799.

The product of its digits is 933120, while the sum is 47.

The spelling of 22431942569 in words is "twenty-two billion, four hundred thirty-one million, nine hundred forty-two thousand, five hundred sixty-nine".