117192220 has 24 divisors (see below), whose sum is σ = 260581104. Its totient is φ = 44119296.

The previous prime is 117192217. The next prime is 117192221. The reversal of 117192220 is 22291711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117192221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172002 + ... + 172681.

It is an arithmetic number, because the mean of its divisors is an integer number (10857546).

Almost surely, 2^117192220 is an apocalyptic number.

117192220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117192220 is an abundant number, since it is smaller than the sum of its proper divisors (143388884).

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

117192220 is a wasteful number, since it uses less digits than its factorization.

117192220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344709 (or 344707 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 117192220 is about 10825.5355525720. The cubic root of 117192220 is about 489.3650250758.

The spelling of 117192220 in words is "one hundred seventeen million, one hundred ninety-two thousand, two hundred twenty".