22250512331 has 2 divisors, whose sum is σ = 22250512332. Its totient is φ = 22250512330.

The previous prime is 22250512307. The next prime is 22250512391. The reversal of 22250512331 is 13321505222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22250512331 - 2¹⁴ = 22250495947 is a prime.

It is a super-2 number, since 2×22250512331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22250512331.

It is not a weakly prime, because it can be changed into another prime (22250512391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11125256165 + 11125256166.

It is an arithmetic number, because the mean of its divisors is an integer number (11125256166).

Almost surely, 2^22250512331 is an apocalyptic number.

22250512331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22250512331 is an equidigital number, since it uses as much as digits as its factorization.

22250512331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 22250512331 in words is "twenty-two billion, two hundred fifty million, five hundred twelve thousand, three hundred thirty-one".