220723466 has 16 divisors (see below), whose sum is σ = 342860040. Its totient is φ = 106444800.

The previous prime is 220723453. The next prime is 220723499. The reversal of 220723466 is 664327022.

It can be written as a sum of positive squares in 4 ways, for example, as 219780625 + 942841 = 14825^2 + 971^2 .

It is a Curzon 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, 91670 + ... + 94046.

Almost surely, 2^220723466 is an apocalyptic number.

220723466 is a deficient number, since it is larger than the sum of its proper divisors (122136574).

220723466 is a wasteful number, since it uses less digits than its factorization.

220723466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 220723466 is about 14856.7649910739. The cubic root of 220723466 is about 604.3420810497.

The spelling of 220723466 in words is "two hundred twenty million, seven hundred twenty-three thousand, four hundred sixty-six".