220456630 has 16 divisors (see below), whose sum is σ = 396997920. Its totient is φ = 88143552.

The previous prime is 220456609. The next prime is 220456651. The reversal of 220456630 is 36654022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (220456609) and next prime (220456651).

It is a super-2 number, since 2×220456630² = 97202251421913800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32167 + ... + 38413.

It is an arithmetic number, because the mean of its divisors is an integer number (24812370).

Almost surely, 2^220456630 is an apocalyptic number.

220456630 is a deficient number, since it is larger than the sum of its proper divisors (176541290).

220456630 is a wasteful number, since it uses less digits than its factorization.

220456630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9783.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 220456630 is about 14847.7819892400. The cubic root of 220456630 is about 604.0984500281.

The spelling of 220456630 in words is "two hundred twenty million, four hundred fifty-six thousand, six hundred thirty".