22798872 has 96 divisors (see below), whose sum is σ = 65286000. Its totient is φ = 7176960.

The previous prime is 22798871. The next prime is 22798883. The reversal of 22798872 is 27889722.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22798871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127279 + ... + 127457.

Almost surely, 2^22798872 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 22798872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32643000).

22798872 is an abundant number, since it is smaller than the sum of its proper divisors (42487128).

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

22798872 is a wasteful number, since it uses less digits than its factorization.

22798872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 274 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 22798872 is about 4774.8164362622. The cubic root of 22798872 is about 283.5553114740. Note that the first 3 decimals are identical.

It can be divided in two parts, 227 and 98872, that added together give a palindrome (99099).

The spelling of 22798872 in words is "twenty-two million, seven hundred ninety-eight thousand, eight hundred seventy-two".