634225460 has 192 divisors, whose sum is σ = 1643410944. Its totient is φ = 202752000.

The previous prime is 634225451. The next prime is 634225499. The reversal of 634225460 is 64522436.

It is a super-2 number, since 2×634225460² = 804483868224423200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6279410 + ... + 6279510.

It is an arithmetic number, because the mean of its divisors is an integer number (8559432).

Almost surely, 2^634225460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634225460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (821705472).

634225460 is an abundant number, since it is smaller than the sum of its proper divisors (1009185484).

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

634225460 is a wasteful number, since it uses less digits than its factorization.

634225460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 634225460 is about 25183.8333063098. The cubic root of 634225460 is about 859.1741937610.

Adding to 634225460 its reverse (64522436), we get a palindrome (698747896).

The spelling of 634225460 in words is "six hundred thirty-four million, two hundred twenty-five thousand, four hundred sixty".