88688220 has 48 divisors (see below), whose sum is σ = 248814720. Its totient is φ = 23603776.

The previous prime is 88688213. The next prime is 88688221. The reversal of 88688220 is 2288688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88688221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38419 + ... + 40661.

It is an arithmetic number, because the mean of its divisors is an integer number (5183640).

Almost surely, 2^88688220 is an apocalyptic number.

It is an amenable number.

88688220 is an abundant number, since it is smaller than the sum of its proper divisors (160126500).

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

88688220 is a wasteful number, since it uses less digits than its factorization.

88688220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914 (or 2912 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 88688220 is about 9417.4423279360. The cubic root of 88688220 is about 445.9525444357.

The spelling of 88688220 in words is "eighty-eight million, six hundred eighty-eight thousand, two hundred twenty".