446221672 has 32 divisors (see below), whose sum is σ = 909468000. Its totient is φ = 204018624.

The previous prime is 446221651. The next prime is 446221679. The reversal of 446221672 is 276122644.

It is a super-2 number, since 2×446221672² = 398227561124951168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (446221679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8922 + ... + 31177.

It is an arithmetic number, because the mean of its divisors is an integer number (28420875).

Almost surely, 2^446221672 is an apocalyptic number.

It is an amenable number.

446221672 is an abundant number, since it is smaller than the sum of its proper divisors (463246328).

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

446221672 is a wasteful number, since it uses less digits than its factorization.

446221672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40225 (or 40221 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 446221672 is about 21123.9596666913. The cubic root of 446221672 is about 764.1586843618.

The spelling of 446221672 in words is "four hundred forty-six million, two hundred twenty-one thousand, six hundred seventy-two".