22498523 has 2 divisors, whose sum is σ = 22498524. Its totient is φ = 22498522.

The previous prime is 22498517. The next prime is 22498537. The reversal of 22498523 is 32589422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22498523 - 2⁴ = 22498507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22498543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11249261 + 11249262.

It is an arithmetic number, because the mean of its divisors is an integer number (11249262).

Almost surely, 2^22498523 is an apocalyptic number.

22498523 is a deficient number, since it is larger than the sum of its proper divisors (1).

22498523 is an equidigital number, since it uses as much as digits as its factorization.

22498523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 22498523 is about 4743.2607982273. The cubic root of 22498523 is about 282.3046311504.

The spelling of 22498523 in words is "twenty-two million, four hundred ninety-eight thousand, five hundred twenty-three".