22882288 has 80 divisors (see below), whose sum is σ = 53184096. Its totient is φ = 9400320.

The previous prime is 22882267. The next prime is 22882303. The reversal of 22882288 is 88228822.

It is a super-2 number, since 2×22882288² = 1047198208229888, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22882288.

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166956 + ... + 167092.

Almost surely, 2^22882288 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 22882288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26592048).

22882288 is an abundant number, since it is smaller than the sum of its proper divisors (30301808).

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

22882288 is a wasteful number, since it uses less digits than its factorization.

22882288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 236 counting only the distinct ones).

The product of its digits is 65536, while the sum is 40.

The square root of 22882288 is about 4783.5434564766. The cubic root of 22882288 is about 283.9007124990.

The spelling of 22882288 in words is "twenty-two million, eight hundred eighty-two thousand, two hundred eighty-eight".