22221000089 has 2 divisors, whose sum is σ = 22221000090. Its totient is φ = 22221000088.

The previous prime is 22221000079. The next prime is 22221000187. The reversal of 22221000089 is 98000012222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16254210064 + 5966790025 = 127492^2 + 77245^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221000089 - 2⁴ = 22221000073 is a prime.

It is not a weakly prime, because it can be changed into another prime (22221000019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110500044 + 11110500045.

It is an arithmetic number, because the mean of its divisors is an integer number (11110500045).

Almost surely, 2^22221000089 is an apocalyptic number.

It is an amenable number.

22221000089 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221000089 is an equidigital number, since it uses as much as digits as its factorization.

22221000089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 22221000089 in words is "twenty-two billion, two hundred twenty-one million, eighty-nine", and thus it is an aban number.