634429022 has 4 divisors (see below), whose sum is σ = 951643536. Its totient is φ = 317214510.

The previous prime is 634429007. The next prime is 634429031. The reversal of 634429022 is 220924436.

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

It is a self number, because there is not a number n which added to its sum of digits gives 634429022.

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, 158607254 + ... + 158607257.

It is an arithmetic number, because the mean of its divisors is an integer number (237910884).

Almost surely, 2^634429022 is an apocalyptic number.

634429022 is a deficient number, since it is larger than the sum of its proper divisors (317214514).

634429022 is a wasteful number, since it uses less digits than its factorization.

634429022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317214513.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 634429022 is about 25187.8745034193. The cubic root of 634429022 is about 859.2661045614.

The spelling of 634429022 in words is "six hundred thirty-four million, four hundred twenty-nine thousand, twenty-two".