22946487731 has 2 divisors, whose sum is σ = 22946487732. Its totient is φ = 22946487730.

The previous prime is 22946487709. The next prime is 22946487737. The reversal of 22946487731 is 13778464922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22946487731 - 2⁶ = 22946487667 is a prime.

It is a super-2 number, since 2×22946487731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22946487737) 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, 11473243865 + 11473243866.

It is an arithmetic number, because the mean of its divisors is an integer number (11473243866).

Almost surely, 2^22946487731 is an apocalyptic number.

22946487731 is a deficient number, since it is larger than the sum of its proper divisors (1).

22946487731 is an equidigital number, since it uses as much as digits as its factorization.

22946487731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 53.

The spelling of 22946487731 in words is "twenty-two billion, nine hundred forty-six million, four hundred eighty-seven thousand, seven hundred thirty-one".