22999488 has 56 divisors (see below), whose sum is σ = 61496448. Its totient is φ = 7585536.

The previous prime is 22999477. The next prime is 22999511. The reversal of 22999488 is 88499922.

It is a self number, because there is not a number n which added to its sum of digits gives 22999488.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19195 + ... + 20357.

Almost surely, 2^22999488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22999488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30748224).

22999488 is an abundant number, since it is smaller than the sum of its proper divisors (38496960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22999488 is a wasteful number, since it uses less digits than its factorization.

22999488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281 (or 1271 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 22999488 is about 4795.7781433256. The cubic root of 22999488 is about 284.3845877378.

The spelling of 22999488 in words is "twenty-two million, nine hundred ninety-nine thousand, four hundred eighty-eight".