22992539 has 2 divisors, whose sum is σ = 22992540. Its totient is φ = 22992538.

The previous prime is 22992533. The next prime is 22992559. The reversal of 22992539 is 93529922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22992539 - 2⁴ = 22992523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22992496 and 22992505.

It is not a weakly prime, because it can be changed into another prime (22992533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11496269 + 11496270.

It is an arithmetic number, because the mean of its divisors is an integer number (11496270).

Almost surely, 2^22992539 is an apocalyptic number.

22992539 is a deficient number, since it is larger than the sum of its proper divisors (1).

22992539 is an equidigital number, since it uses as much as digits as its factorization.

22992539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The square root of 22992539 is about 4795.0535971978. The cubic root of 22992539 is about 284.3559438022.

The spelling of 22992539 in words is "twenty-two million, nine hundred ninety-two thousand, five hundred thirty-nine".