22434555661431 has 4 divisors (see below), whose sum is σ = 29912740881912. Its totient is φ = 14956370440952.

The previous prime is 22434555661423. The next prime is 22434555661433. The reversal of 22434555661431 is 13416655543422.

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 22434555661431 - 2³ = 22434555661423 is a prime.

It is a super-2 number, since 2×22434555661431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22434555661433) 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, 3739092610236 + ... + 3739092610241.

It is an arithmetic number, because the mean of its divisors is an integer number (7478185220478).

Almost surely, 2^{22434555661431} is an apocalyptic number.

22434555661431 is a deficient number, since it is larger than the sum of its proper divisors (7478185220481).

22434555661431 is an equidigital number, since it uses as much as digits as its factorization.

22434555661431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478185220480.

The product of its digits is 10368000, while the sum is 51.

The spelling of 22434555661431 in words is "twenty-two trillion, four hundred thirty-four billion, five hundred fifty-five million, six hundred sixty-one thousand, four hundred thirty-one".