464221900 has 36 divisors (see below), whose sum is σ = 1039864000. Its totient is φ = 179697600.

The previous prime is 464221861. The next prime is 464221913. The reversal of 464221900 is 9122464.

It is a super-2 number, since 2×464221900² = 431003944879220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71775 + ... + 77974.

Almost surely, 2^464221900 is an apocalyptic number.

It is an amenable number.

464221900 is an abundant number, since it is smaller than the sum of its proper divisors (575642100).

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

464221900 is a wasteful number, since it uses less digits than its factorization.

464221900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149794 (or 149787 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 464221900 is about 21545.8093373166. The cubic root of 464221900 is about 774.2987204585.

The spelling of 464221900 in words is "four hundred sixty-four million, two hundred twenty-one thousand, nine hundred".