220359869 has 2 divisors, whose sum is σ = 220359870. Its totient is φ = 220359868.

The previous prime is 220359857. The next prime is 220359911. The reversal of 220359869 is 968953022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111408025 + 108951844 = 10555^2 + 10438^2 .

It is a cyclic number.

It is not a de Polignac number, because 220359869 - 2⁸ = 220359613 is a prime.

It is a super-2 number, since 2×220359869² = 97116943731394322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220359809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110179934 + 110179935.

It is an arithmetic number, because the mean of its divisors is an integer number (110179935).

Almost surely, 2^220359869 is an apocalyptic number.

It is an amenable number.

220359869 is a deficient number, since it is larger than the sum of its proper divisors (1).

220359869 is an equidigital number, since it uses as much as digits as its factorization.

220359869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 220359869 is about 14844.5231988097. The cubic root of 220359869 is about 604.0100551299.

The spelling of 220359869 in words is "two hundred twenty million, three hundred fifty-nine thousand, eight hundred sixty-nine".