222030889 has 4 divisors (see below), whose sum is σ = 222337024. Its totient is φ = 221724756.

The previous prime is 222030883. The next prime is 222030899. The reversal of 222030889 is 988030222.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 988030222 = 2 ⋅494015111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222030889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222030883) 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, 151977 + ... + 153430.

It is an arithmetic number, because the mean of its divisors is an integer number (55584256).

Almost surely, 2^222030889 is an apocalyptic number.

It is an amenable number.

222030889 is a deficient number, since it is larger than the sum of its proper divisors (306135).

222030889 is an equidigital number, since it uses as much as digits as its factorization.

222030889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306134.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 222030889 is about 14900.7009566664. The cubic root of 222030889 is about 605.5329765930.

The spelling of 222030889 in words is "two hundred twenty-two million, thirty thousand, eight hundred eighty-nine".