222000989 has 4 divisors (see below), whose sum is σ = 253715424. Its totient is φ = 190286556.

The previous prime is 222000967. The next prime is 222001001. The reversal of 222000989 is 989000222.

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 222000989 - 2⁸ = 222000733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222005989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15857207 + ... + 15857220.

It is an arithmetic number, because the mean of its divisors is an integer number (63428856).

Almost surely, 2^222000989 is an apocalyptic number.

It is an amenable number.

222000989 is a deficient number, since it is larger than the sum of its proper divisors (31714435).

222000989 is an equidigital number, since it uses as much as digits as its factorization.

222000989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31714434.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 222000989 is about 14899.6976143813. The cubic root of 222000989 is about 605.5057938155.

The spelling of 222000989 in words is "two hundred twenty-two million, nine hundred eighty-nine", and thus it is an aban number.