3631222464 has 28 divisors (see below), whose sum is σ = 9607609944. Its totient is φ = 1210407424.

The previous prime is 3631222453. The next prime is 3631222471. The reversal of 3631222464 is 4642221363.

It is a nude number because it is divisible by every one of its digits.

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, 9456117 + ... + 9456500.

Almost surely, 2^3631222464 is an apocalyptic number.

It is an amenable number.

3631222464 is an abundant number, since it is smaller than the sum of its proper divisors (5976387480).

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

3631222464 is a wasteful number, since it uses less digits than its factorization.

3631222464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18912632 (or 18912622 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 3631222464 is about 60259.6254883815. The cubic root of 3631222464 is about 1537.0368704369.

The spelling of 3631222464 in words is "three billion, six hundred thirty-one million, two hundred twenty-two thousand, four hundred sixty-four".