118222440 has 64 divisors (see below), whose sum is σ = 405336960. Its totient is φ = 27022080.

The previous prime is 118222409. The next prime is 118222457. The reversal of 118222440 is 44222811.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 118222440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69531 + ... + 71210.

It is an arithmetic number, because the mean of its divisors is an integer number (6333390).

Almost surely, 2^118222440 is an apocalyptic number.

118222440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118222440 is an abundant number, since it is smaller than the sum of its proper divisors (287114520).

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

118222440 is a wasteful number, since it uses less digits than its factorization.

118222440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140762 (or 140758 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 118222440 is about 10873.0143014713. The cubic root of 118222440 is about 490.7948227618.

The spelling of 118222440 in words is "one hundred eighteen million, two hundred twenty-two thousand, four hundred forty".