220400882 has 8 divisors (see below), whose sum is σ = 356032236. Its totient is φ = 101723472.

The previous prime is 220400879. The next prime is 220400891. The reversal of 220400882 is 288004022.

It can be written as a sum of positive squares in 2 ways, for example, as 155775361 + 64625521 = 12481^2 + 8039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 8476957 = 220400882 / (2 + 2 + 0 + 4 + 0 + 0 + 8 + 8 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4238453 + ... + 4238504.

Almost surely, 2^220400882 is an apocalyptic number.

220400882 is a deficient number, since it is larger than the sum of its proper divisors (135631354).

220400882 is a wasteful number, since it uses less digits than its factorization.

220400882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8476972.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 220400882 is about 14845.9045531082. The cubic root of 220400882 is about 604.0475252431.

The spelling of 220400882 in words is "two hundred twenty million, four hundred thousand, eight hundred eighty-two".