422662574 has 16 divisors (see below), whose sum is σ = 643769856. Its totient is φ = 208080600.

The previous prime is 422662573. The next prime is 422662577. The reversal of 422662574 is 475266224.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422662573) 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, 144959 + ... + 147845.

It is an arithmetic number, because the mean of its divisors is an integer number (40235616).

Almost surely, 2^422662574 is an apocalyptic number.

422662574 is a deficient number, since it is larger than the sum of its proper divisors (221107282).

422662574 is a wasteful number, since it uses less digits than its factorization.

422662574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991.

The product of its digits is 161280, while the sum is 38.

The square root of 422662574 is about 20558.7590578809. The cubic root of 422662574 is about 750.4664203944.

The spelling of 422662574 in words is "four hundred twenty-two million, six hundred sixty-two thousand, five hundred seventy-four".