22498379 has 4 divisors (see below), whose sum is σ = 22508160. Its totient is φ = 22488600.

The previous prime is 22498367. The next prime is 22498397. The reversal of 22498379 is 97389422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22498379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22498319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662 + ... + 6740.

It is an arithmetic number, because the mean of its divisors is an integer number (5627040).

Almost surely, 2^22498379 is an apocalyptic number.

22498379 is a deficient number, since it is larger than the sum of its proper divisors (9781).

22498379 is an equidigital number, since it uses as much as digits as its factorization.

22498379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9780.

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

The square root of 22498379 is about 4743.2456187720. The cubic root of 22498379 is about 282.3040288597.

The spelling of 22498379 in words is "twenty-two million, four hundred ninety-eight thousand, three hundred seventy-nine".