457002220 has 12 divisors (see below), whose sum is σ = 959704704. Its totient is φ = 182800880.

The previous prime is 457002187. The next prime is 457002241. The reversal of 457002220 is 22200754.

It is a junction number, because it is equal to n+sod(n) for n = 457002191 and 457002200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11425036 + ... + 11425075.

It is an arithmetic number, because the mean of its divisors is an integer number (79975392).

Almost surely, 2^457002220 is an apocalyptic number.

It is an amenable number.

457002220 is an abundant number, since it is smaller than the sum of its proper divisors (502702484).

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

457002220 is a wasteful number, since it uses less digits than its factorization.

457002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22850120 (or 22850118 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 457002220 is about 21377.6102499788. The cubic root of 457002220 is about 770.2637090788.

Adding to 457002220 its reverse (22200754), we get a palindrome (479202974).

The spelling of 457002220 in words is "four hundred fifty-seven million, two thousand, two hundred twenty".