117615522 has 8 divisors (see below), whose sum is σ = 235231056. Its totient is φ = 39205172.

The previous prime is 117615521. The next prime is 117615539. The reversal of 117615522 is 225516711.

It is a sphenic number, since it is the product of 3 distinct primes.

117615522 is an admirable number.

It is a super-2 number, since 2×117615522² = 27666822030664968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117615522.

It is not an unprimeable number, because it can be changed into a prime (117615521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9801288 + ... + 9801299.

It is an arithmetic number, because the mean of its divisors is an integer number (29403882).

Almost surely, 2^117615522 is an apocalyptic number.

117615522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117615522 is a wasteful number, since it uses less digits than its factorization.

117615522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19602592.

The product of its digits is 4200, while the sum is 30.

The square root of 117615522 is about 10845.0690177610. The cubic root of 117615522 is about 489.9535177343.

The spelling of 117615522 in words is "one hundred seventeen million, six hundred fifteen thousand, five hundred twenty-two".