22868280 has 96 divisors (see below), whose sum is σ = 75020400. Its totient is φ = 6041088.

The previous prime is 22868231. The next prime is 22868291. The reversal of 22868280 is 8286822.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 49812 + ... + 50268.

Almost surely, 2^22868280 is an apocalyptic number.

22868280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22868280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37510200).

22868280 is an abundant number, since it is smaller than the sum of its proper divisors (52152120).

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

22868280 is a wasteful number, since it uses less digits than its factorization.

22868280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 22868280 is about 4782.0790457708. The cubic root of 22868280 is about 283.8427682209.

The spelling of 22868280 in words is "twenty-two million, eight hundred sixty-eight thousand, two hundred eighty".