22288080 has 40 divisors (see below), whose sum is σ = 69093792. Its totient is φ = 5943424.

The previous prime is 22288069. The next prime is 22288093. The reversal of 22288080 is 8088222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46194 + ... + 46673.

Almost surely, 2^22288080 is an apocalyptic number.

22288080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22288080 is an abundant number, since it is smaller than the sum of its proper divisors (46805712).

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

22288080 is a wasteful number, since it uses less digits than its factorization.

22288080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92883 (or 92877 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 22288080 is about 4721.0253123659. The cubic root of 22288080 is about 281.4216808601.

The spelling of 22288080 in words is "twenty-two million, two hundred eighty-eight thousand, eighty".