116222640 has 80 divisors (see below), whose sum is σ = 367128288. Its totient is φ = 30404608.

The previous prime is 116222599. The next prime is 116222683. The reversal of 116222640 is 46222611.

It is a tau number, because it is divible by the number of its divisors (80).

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 116222640.

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, 8152 + ... + 17288.

Almost surely, 2^116222640 is an apocalyptic number.

116222640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116222640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183564144).

116222640 is an abundant number, since it is smaller than the sum of its proper divisors (250905648).

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

116222640 is a wasteful number, since it uses less digits than its factorization.

116222640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9206 (or 9200 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 116222640 is about 10780.6604621424. The cubic root of 116222640 is about 488.0117125201.

The spelling of 116222640 in words is "one hundred sixteen million, two hundred twenty-two thousand, six hundred forty".