22499798 has 4 divisors (see below), whose sum is σ = 33749700. Its totient is φ = 11249898.

The previous prime is 22499767. The next prime is 22499803. The reversal of 22499798 is 89799422.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5624948 + ... + 5624951.

It is an arithmetic number, because the mean of its divisors is an integer number (8437425).

Almost surely, 2^22499798 is an apocalyptic number.

22499798 is a deficient number, since it is larger than the sum of its proper divisors (11249902).

22499798 is a wasteful number, since it uses less digits than its factorization.

22499798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11249901.

The product of its digits is 653184, while the sum is 50.

The square root of 22499798 is about 4743.3951975352. The cubic root of 22499798 is about 282.3099638205.

The spelling of 22499798 in words is "twenty-two million, four hundred ninety-nine thousand, seven hundred ninety-eight".