117801822 has 32 divisors (see below), whose sum is σ = 238902048. Its totient is φ = 38721536.

The previous prime is 117801781. The next prime is 117801833. The reversal of 117801822 is 228108711.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 117801822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198358 + ... + 198950.

It is an arithmetic number, because the mean of its divisors is an integer number (7465689).

Almost surely, 2^117801822 is an apocalyptic number.

117801822 is an abundant number, since it is smaller than the sum of its proper divisors (121100226).

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

117801822 is a wasteful number, since it uses less digits than its factorization.

117801822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004.

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 117801822 is about 10853.6547761572. The cubic root of 117801822 is about 490.2120725775.

The spelling of 117801822 in words is "one hundred seventeen million, eight hundred one thousand, eight hundred twenty-two".