22498739 has 2 divisors, whose sum is σ = 22498740. Its totient is φ = 22498738.

The previous prime is 22498711. The next prime is 22498747. The reversal of 22498739 is 93789422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22498739 - 2²⁴ = 5721523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22498739.

It is not a weakly prime, because it can be changed into another prime (22498789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11249369 + 11249370.

It is an arithmetic number, because the mean of its divisors is an integer number (11249370).

Almost surely, 2^22498739 is an apocalyptic number.

22498739 is a deficient number, since it is larger than the sum of its proper divisors (1).

22498739 is an equidigital number, since it uses as much as digits as its factorization.

22498739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 22498739 is about 4743.2835673192. The cubic root of 22498739 is about 282.3055345816.

The spelling of 22498739 in words is "twenty-two million, four hundred ninety-eight thousand, seven hundred thirty-nine".