74422000188 has 72 divisors (see below), whose sum is σ = 188974539936. Its totient is φ = 24695193600.

The previous prime is 74422000183. The next prime is 74422000193. The reversal of 74422000188 is 88100022447.

74422000188 is a `hidden beast` number, since 7 + 442 + 200 + 0 + 1 + 8 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (74422000183) and next prime (74422000193).

It is a super-2 number, since 2×74422000188² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74422000183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8014108 + ... + 8023388.

It is an arithmetic number, because the mean of its divisors is an integer number (2624646388).

Almost surely, 2^74422000188 is an apocalyptic number.

It is an amenable number.

74422000188 is an abundant number, since it is smaller than the sum of its proper divisors (114552539748).

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

74422000188 is a wasteful number, since it uses less digits than its factorization.

74422000188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10275 (or 10270 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The spelling of 74422000188 in words is "seventy-four billion, four hundred twenty-two million, one hundred eighty-eight", and thus it is an aban number.