21922992031 has 2 divisors, whose sum is σ = 21922992032. Its totient is φ = 21922992030.

The previous prime is 21922992023. The next prime is 21922992061. The reversal of 21922992031 is 13029922912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21922992031 - 2³ = 21922992023 is a prime.

It is a super-2 number, since 2×21922992031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21922992001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10961496015 + 10961496016.

It is an arithmetic number, because the mean of its divisors is an integer number (10961496016).

Almost surely, 2^21922992031 is an apocalyptic number.

21922992031 is a deficient number, since it is larger than the sum of its proper divisors (1).

21922992031 is an equidigital number, since it uses as much as digits as its factorization.

21922992031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 21922992031 in words is "twenty-one billion, nine hundred twenty-two million, nine hundred ninety-two thousand, thirty-one".