117864622 has 4 divisors (see below), whose sum is σ = 176796936. Its totient is φ = 58932310.

The previous prime is 117864601. The next prime is 117864623. The reversal of 117864622 is 226468711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226468711 = 7 ⋅32352673.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117864623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29466154 + ... + 29466157.

It is an arithmetic number, because the mean of its divisors is an integer number (44199234).

Almost surely, 2^117864622 is an apocalyptic number.

117864622 is a deficient number, since it is larger than the sum of its proper divisors (58932314).

117864622 is an equidigital number, since it uses as much as digits as its factorization.

117864622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58932313.

The product of its digits is 32256, while the sum is 37.

The square root of 117864622 is about 10856.5474254019. The cubic root of 117864622 is about 490.2991675780.

The spelling of 117864622 in words is "one hundred seventeen million, eight hundred sixty-four thousand, six hundred twenty-two".