117221706 has 48 divisors (see below), whose sum is σ = 297355968. Its totient is φ = 32673600.

The previous prime is 117221693. The next prime is 117221707. The reversal of 117221706 is 607122711.

It is a self number, because there is not a number n which added to its sum of digits gives 117221706.

It is not an unprimeable number, because it can be changed into a prime (117221707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6180 + ... + 16511.

It is an arithmetic number, because the mean of its divisors is an integer number (6194916).

Almost surely, 2^117221706 is an apocalyptic number.

117221706 is an abundant number, since it is smaller than the sum of its proper divisors (180134262).

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

117221706 is a wasteful number, since it uses less digits than its factorization.

117221706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22747 (or 22744 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 117221706 is about 10826.8973394967. The cubic root of 117221706 is about 489.4060636565.

The spelling of 117221706 in words is "one hundred seventeen million, two hundred twenty-one thousand, seven hundred six".