220446730 has 32 divisors (see below), whose sum is σ = 454760064. Its totient is φ = 75370176.

The previous prime is 220446713. The next prime is 220446731. The reversal of 220446730 is 37644022.

It is not an unprimeable number, because it can be changed into a prime (220446731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21889 + ... + 30331.

It is an arithmetic number, because the mean of its divisors is an integer number (14211252).

Almost surely, 2^220446730 is an apocalyptic number.

220446730 is an abundant number, since it is smaller than the sum of its proper divisors (234313334).

220446730 is a wasteful number, since it uses less digits than its factorization.

220446730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8830.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 220446730 is about 14847.4486023694. The cubic root of 220446730 is about 604.0894071850.

The spelling of 220446730 in words is "two hundred twenty million, four hundred forty-six thousand, seven hundred thirty".