220889863 has 2 divisors, whose sum is σ = 220889864. Its totient is φ = 220889862.

The previous prime is 220889843. The next prime is 220889869. The reversal of 220889863 is 368988022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220889863 - 2⁵ = 220889831 is a prime.

It is a super-3 number, since 3×220889863³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220889869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110444931 + 110444932.

It is an arithmetic number, because the mean of its divisors is an integer number (110444932).

Almost surely, 2^220889863 is an apocalyptic number.

220889863 is a deficient number, since it is larger than the sum of its proper divisors (1).

220889863 is an equidigital number, since it uses as much as digits as its factorization.

220889863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 220889863 is about 14862.3639775104. The cubic root of 220889863 is about 604.4939082082.

The spelling of 220889863 in words is "two hundred twenty million, eight hundred eighty-nine thousand, eight hundred sixty-three".