117224892 has 18 divisors (see below), whose sum is σ = 296318568. Its totient is φ = 39074952.

The previous prime is 117224881. The next prime is 117224893. The reversal of 117224892 is 298422711.

117224892 is a `hidden beast` number, since 1 + 172 + 2 + 489 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3256247 = 117224892 / (1 + 1 + 7 + 2 + 2 + 4 + 8 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117224893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1628088 + ... + 1628159.

Almost surely, 2^117224892 is an apocalyptic number.

117224892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117224892 is an abundant number, since it is smaller than the sum of its proper divisors (179093676).

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

117224892 is a wasteful number, since it uses less digits than its factorization.

117224892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256257 (or 3256252 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 117224892 is about 10827.0444720616. The cubic root of 117224892 is about 489.4104975156.

The spelling of 117224892 in words is "one hundred seventeen million, two hundred twenty-four thousand, eight hundred ninety-two".