7422118164 has 36 divisors (see below), whose sum is σ = 18765341140. Its totient is φ = 2473528320.

The previous prime is 7422118163. The next prime is 7422118183. The reversal of 7422118164 is 4618112247.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 975312900 + 6446805264 = 31230^2 + 80292^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 (7422118163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181974 + ... + 218994.

Almost surely, 2^7422118164 is an apocalyptic number.

It is an amenable number.

7422118164 is an abundant number, since it is smaller than the sum of its proper divisors (11343222976).

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

7422118164 is a wasteful number, since it uses less digits than its factorization.

7422118164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42600 (or 42595 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 7422118164 is about 86151.7159666597. The cubic root of 7422118164 is about 1950.6347408988.

The spelling of 7422118164 in words is "seven billion, four hundred twenty-two million, one hundred eighteen thousand, one hundred sixty-four".