220442867 has 2 divisors, whose sum is σ = 220442868. Its totient is φ = 220442866.

The previous prime is 220442861. The next prime is 220442923. The reversal of 220442867 is 768244022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220442867 - 2¹⁴ = 220426483 is a prime.

It is a super-2 number, since 2×220442867² = 97190115222359378, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220442861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110221433 + 110221434.

It is an arithmetic number, because the mean of its divisors is an integer number (110221434).

Almost surely, 2^220442867 is an apocalyptic number.

220442867 is a deficient number, since it is larger than the sum of its proper divisors (1).

220442867 is an equidigital number, since it uses as much as digits as its factorization.

220442867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 220442867 is about 14847.3185121085. The cubic root of 220442867 is about 604.0858785759.

Adding to 220442867 its reverse (768244022), we get a palindrome (988686889).

The spelling of 220442867 in words is "two hundred twenty million, four hundred forty-two thousand, eight hundred sixty-seven".