22406263831 has 4 divisors (see below), whose sum is σ = 25607158672. Its totient is φ = 19205368992.

The previous prime is 22406263807. The next prime is 22406263843. The reversal of 22406263831 is 13836260422.

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 22406263831 - 2¹³ = 22406255639 is a prime.

It is a super-2 number, since 2×22406263831² (a number of 22 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 (22406263801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600447410 + ... + 1600447423.

It is an arithmetic number, because the mean of its divisors is an integer number (6401789668).

Almost surely, 2^22406263831 is an apocalyptic number.

22406263831 is a deficient number, since it is larger than the sum of its proper divisors (3200894841).

22406263831 is an equidigital number, since it uses as much as digits as its factorization.

22406263831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200894840.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 22406263831 in words is "twenty-two billion, four hundred six million, two hundred sixty-three thousand, eight hundred thirty-one".