485221900 has 36 divisors (see below), whose sum is σ = 1070790840. Its totient is φ = 190796800.

The previous prime is 485221883. The next prime is 485221903. The reversal of 485221900 is 9122584.

It is a super-2 number, since 2×485221900² = 470880584479220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (485221903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35221 + ... + 47020.

It is an arithmetic number, because the mean of its divisors is an integer number (29744190).

Almost surely, 2^485221900 is an apocalyptic number.

It is an amenable number.

485221900 is an abundant number, since it is smaller than the sum of its proper divisors (585568940).

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

485221900 is a wasteful number, since it uses less digits than its factorization.

485221900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82314 (or 82307 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 485221900 is about 22027.7529494045. The cubic root of 485221900 is about 785.8026058923.

The spelling of 485221900 in words is "four hundred eighty-five million, two hundred twenty-one thousand, nine hundred".