22274344531 has 4 divisors (see below), whose sum is σ = 22297005072. Its totient is φ = 22251683992.

The previous prime is 22274344523. The next prime is 22274344553. The reversal of 22274344531 is 13544347222.

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 22274344531 - 2³ = 22274344523 is a prime.

It is a super-2 number, since 2×22274344531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22274345531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11328796 + ... + 11330761.

It is an arithmetic number, because the mean of its divisors is an integer number (5574251268).

Almost surely, 2^22274344531 is an apocalyptic number.

22274344531 is a deficient number, since it is larger than the sum of its proper divisors (22660541).

22274344531 is an equidigital number, since it uses as much as digits as its factorization.

22274344531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22660540.

The product of its digits is 161280, while the sum is 37.

The spelling of 22274344531 in words is "twenty-two billion, two hundred seventy-four million, three hundred forty-four thousand, five hundred thirty-one".