42422660 has 24 divisors (see below), whose sum is σ = 101814720. Its totient is φ = 14544864.

The previous prime is 42422641. The next prime is 42422669. The reversal of 42422660 is 6622424.

It is not an unprimeable number, because it can be changed into a prime (42422669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151370 + ... + 151649.

It is an arithmetic number, because the mean of its divisors is an integer number (4242280).

Almost surely, 2^42422660 is an apocalyptic number.

It is an amenable number.

42422660 is an abundant number, since it is smaller than the sum of its proper divisors (59392060).

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

42422660 is a wasteful number, since it uses less digits than its factorization.

42422660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303035 (or 303033 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 42422660 is about 6513.2679969429. The cubic root of 42422660 is about 348.7647887084.

The spelling of 42422660 in words is "forty-two million, four hundred twenty-two thousand, six hundred sixty".