88221880 has 16 divisors (see below), whose sum is σ = 198499320. Its totient is φ = 35288736.

The previous prime is 88221871. The next prime is 88221893. The reversal of 88221880 is 8812288.

It is a super-2 number, since 2×88221880² = 15566200221468800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102734 + ... + 1102813.

Almost surely, 2^88221880 is an apocalyptic number.

It is an amenable number.

88221880 is an abundant number, since it is smaller than the sum of its proper divisors (110277440).

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

88221880 is a wasteful number, since it uses less digits than its factorization.

88221880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205558 (or 2205554 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 88221880 is about 9392.6503182009. The cubic root of 88221880 is about 445.1695352006.

The spelling of 88221880 in words is "eighty-eight million, two hundred twenty-one thousand, eight hundred eighty".