88220660 has 48 divisors (see below), whose sum is σ = 202849920. Its totient is φ = 31962240.

The previous prime is 88220623. The next prime is 88220681. The reversal of 88220660 is 6602288.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78422 + ... + 79538.

It is an arithmetic number, because the mean of its divisors is an integer number (4226040).

Almost surely, 2^88220660 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 88220660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101424960).

88220660 is an abundant number, since it is smaller than the sum of its proper divisors (114629260).

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

88220660 is a wasteful number, since it uses less digits than its factorization.

88220660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 88220660 is about 9392.5853735806. The cubic root of 88220660 is about 445.1674831423.

The spelling of 88220660 in words is "eighty-eight million, two hundred twenty thousand, six hundred sixty".