634422522 has 8 divisors (see below), whose sum is σ = 1268845056. Its totient is φ = 211474172.

The previous prime is 634422499. The next prime is 634422577. The reversal of 634422522 is 225224436.

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

634422522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 634422522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52868538 + ... + 52868549.

It is an arithmetic number, because the mean of its divisors is an integer number (158605632).

Almost surely, 2^634422522 is an apocalyptic number.

634422522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

634422522 is a wasteful number, since it uses less digits than its factorization.

634422522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105737092.

The product of its digits is 23040, while the sum is 30.

The square root of 634422522 is about 25187.7454727492. The cubic root of 634422522 is about 859.2631700336.

Adding to 634422522 its reverse (225224436), we get a palindrome (859646958).

The spelling of 634422522 in words is "six hundred thirty-four million, four hundred twenty-two thousand, five hundred twenty-two".