42622180 has 12 divisors (see below), whose sum is σ = 89506620. Its totient is φ = 17048864.

The previous prime is 42622171. The next prime is 42622231. The reversal of 42622180 is 8122624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14807104 + 27815076 = 3848^2 + 5274^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065535 + ... + 1065574.

It is an arithmetic number, because the mean of its divisors is an integer number (7458885).

Almost surely, 2^42622180 is an apocalyptic number.

It is an amenable number.

42622180 is an abundant number, since it is smaller than the sum of its proper divisors (46884440).

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

42622180 is a wasteful number, since it uses less digits than its factorization.

42622180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131118 (or 2131116 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 42622180 is about 6528.5664582663. The cubic root of 42622180 is about 349.3106977771.

The spelling of 42622180 in words is "forty-two million, six hundred twenty-two thousand, one hundred eighty".