634022239 has 8 divisors (see below), whose sum is σ = 637951248. Its totient is φ = 630100800.

The previous prime is 634022219. The next prime is 634022251. The reversal of 634022239 is 932220436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 634022239 - 2⁷ = 634022111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 634022239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634022219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351139 + ... + 352939.

It is an arithmetic number, because the mean of its divisors is an integer number (79743906).

Almost surely, 2^634022239 is an apocalyptic number.

634022239 is a deficient number, since it is larger than the sum of its proper divisors (3929009).

634022239 is a wasteful number, since it uses less digits than its factorization.

634022239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 634022239 is about 25179.7982319160. The cubic root of 634022239 is about 859.0824173071.

The spelling of 634022239 in words is "six hundred thirty-four million, twenty-two thousand, two hundred thirty-nine".