461446220 has 12 divisors (see below), whose sum is σ = 969037104. Its totient is φ = 184578480.

The previous prime is 461446207. The next prime is 461446261. The reversal of 461446220 is 22644164.

It is a happy number.

It is a super-2 number, since 2×461446220² = 425865227904576800, which contains 22 as substring.

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, 11536136 + ... + 11536175.

It is an arithmetic number, because the mean of its divisors is an integer number (80753092).

Almost surely, 2^461446220 is an apocalyptic number.

It is an amenable number.

461446220 is an abundant number, since it is smaller than the sum of its proper divisors (507590884).

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

461446220 is a wasteful number, since it uses less digits than its factorization.

461446220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23072320 (or 23072318 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 461446220 is about 21481.2993089338. The cubic root of 461446220 is about 772.7524030078.

The spelling of 461446220 in words is "four hundred sixty-one million, four hundred forty-six thousand, two hundred twenty".