22498748 has 6 divisors (see below), whose sum is σ = 39372816. Its totient is φ = 11249372.

The previous prime is 22498747. The next prime is 22498781. The reversal of 22498748 is 84789422.

It is a junction number, because it is equal to n+sod(n) for n = 22498699 and 22498708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22498747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2812340 + ... + 2812347.

It is an arithmetic number, because the mean of its divisors is an integer number (6562136).

Almost surely, 2^22498748 is an apocalyptic number.

It is an amenable number.

22498748 is a deficient number, since it is larger than the sum of its proper divisors (16874068).

22498748 is a wasteful number, since it uses less digits than its factorization.

22498748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624691 (or 5624689 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 22498748 is about 4743.2845160290. The cubic root of 22498748 is about 282.3055722245.

The spelling of 22498748 in words is "twenty-two million, four hundred ninety-eight thousand, seven hundred forty-eight".