220442859 has 96 divisors (see below), whose sum is σ = 422682624. Its totient is φ = 107412480.

The previous prime is 220442857. The next prime is 220442861. The reversal of 220442859 is 958244022.

220442859 is a `hidden beast` number, since 220 + 4 + 428 + 5 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (220442857) and next prime (220442861).

It is not a de Polignac number, because 220442859 - 2¹ = 220442857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220442857) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 988422 + ... + 988644.

It is an arithmetic number, because the mean of its divisors is an integer number (4402944).

Almost surely, 2^220442859 is an apocalyptic number.

220442859 is a deficient number, since it is larger than the sum of its proper divisors (202239765).

220442859 is a wasteful number, since it uses less digits than its factorization.

220442859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 220442859 is about 14847.3182426996. The cubic root of 220442859 is about 604.0858712684.

The spelling of 220442859 in words is "two hundred twenty million, four hundred forty-two thousand, eight hundred fifty-nine".