222464089 has 2 divisors, whose sum is σ = 222464090. Its totient is φ = 222464088.

The previous prime is 222464009. The next prime is 222464093. The reversal of 222464089 is 980464222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221503689 + 960400 = 14883^2 + 980^2 .

It is a cyclic number.

It is not a de Polignac number, because 222464089 - 2⁷ = 222463961 is a prime.

It is not a weakly prime, because it can be changed into another prime (222464009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111232044 + 111232045.

It is an arithmetic number, because the mean of its divisors is an integer number (111232045).

Almost surely, 2^222464089 is an apocalyptic number.

It is an amenable number.

222464089 is a deficient number, since it is larger than the sum of its proper divisors (1).

222464089 is an equidigital number, since it uses as much as digits as its factorization.

222464089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 222464089 is about 14915.2301021473. The cubic root of 222464089 is about 605.9265351513.

It can be divided in two parts, 22246 and 4089, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 222464089 in words is "two hundred twenty-two million, four hundred sixty-four thousand, eighty-nine".