222887089 has 4 divisors (see below), whose sum is σ = 232577856. Its totient is φ = 213196324.

The previous prime is 222887059. The next prime is 222887123. The reversal of 222887089 is 980788222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222887089 - 2¹¹ = 222885041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222887009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4845349 + ... + 4845394.

It is an arithmetic number, because the mean of its divisors is an integer number (58144464).

Almost surely, 2^222887089 is an apocalyptic number.

It is an amenable number.

222887089 is a deficient number, since it is larger than the sum of its proper divisors (9690767).

222887089 is an equidigital number, since it uses as much as digits as its factorization.

222887089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9690766.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 222887089 is about 14929.4035044941. The cubic root of 222887089 is about 606.3103343928.

The spelling of 222887089 in words is "two hundred twenty-two million, eight hundred eighty-seven thousand, eighty-nine".