222010465 has 4 divisors (see below), whose sum is σ = 266412564. Its totient is φ = 177608368.

The previous prime is 222010441. The next prime is 222010483. The reversal of 222010465 is 564010222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36397089 + 185613376 = 6033^2 + 13624^2 .

It is a cyclic number.

It is not a de Polignac number, because 222010465 - 2⁵ = 222010433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22201042 + ... + 22201051.

It is an arithmetic number, because the mean of its divisors is an integer number (66603141).

Almost surely, 2^222010465 is an apocalyptic number.

It is an amenable number.

222010465 is a deficient number, since it is larger than the sum of its proper divisors (44402099).

222010465 is an equidigital number, since it uses as much as digits as its factorization.

222010465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44402098.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 222010465 is about 14900.0156040187. The cubic root of 222010465 is about 605.5144089291.

Adding to 222010465 its reverse (564010222), we get a palindrome (786020687).

The spelling of 222010465 in words is "two hundred twenty-two million, ten thousand, four hundred sixty-five".