423574222 has 4 divisors (see below), whose sum is σ = 635361336. Its totient is φ = 211787110.

The previous prime is 423574189. The next prime is 423574237. The reversal of 423574222 is 222475324.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105893554 + ... + 105893557.

It is an arithmetic number, because the mean of its divisors is an integer number (158840334).

Almost surely, 2^423574222 is an apocalyptic number.

423574222 is a deficient number, since it is larger than the sum of its proper divisors (211787114).

423574222 is a wasteful number, since it uses less digits than its factorization.

423574222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211787113.

The product of its digits is 26880, while the sum is 31.

The square root of 423574222 is about 20580.9188813328. The cubic root of 423574222 is about 751.0055974661.

The spelling of 423574222 in words is "four hundred twenty-three million, five hundred seventy-four thousand, two hundred twenty-two".