117221488 has 20 divisors (see below), whose sum is σ = 239070760. Its totient is φ = 55525824.

The previous prime is 117221473. The next prime is 117221491. The reversal of 117221488 is 884122711.

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, 192495 + ... + 193102.

It is an arithmetic number, because the mean of its divisors is an integer number (11953538).

Almost surely, 2^117221488 is an apocalyptic number.

It is an amenable number.

117221488 is an abundant number, since it is smaller than the sum of its proper divisors (121849272).

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

117221488 is a wasteful number, since it uses less digits than its factorization.

117221488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385624 (or 385618 counting only the distinct ones).

The product of its digits is 7168, while the sum is 34.

The square root of 117221488 is about 10826.8872719725. The cubic root of 117221488 is about 489.4057602696.

The spelling of 117221488 in words is "one hundred seventeen million, two hundred twenty-one thousand, four hundred eighty-eight".