634304022 has 32 divisors (see below), whose sum is σ = 1395391104. Its totient is φ = 192210920.

The previous prime is 634304009. The next prime is 634304023. The reversal of 634304022 is 220403436.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 634303983 and 634304001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634304023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31728 + ... + 47699.

It is an arithmetic number, because the mean of its divisors is an integer number (43605972).

Almost surely, 2^634304022 is an apocalyptic number.

634304022 is an abundant number, since it is smaller than the sum of its proper divisors (761087082).

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

634304022 is a wasteful number, since it uses less digits than its factorization.

634304022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79465 (or 79443 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 634304022 is about 25185.3930284997. The cubic root of 634304022 is about 859.2096678210.

Adding to 634304022 its reverse (220403436), we get a palindrome (854707458).

The spelling of 634304022 in words is "six hundred thirty-four million, three hundred four thousand, twenty-two".