222244465 has 8 divisors (see below), whose sum is σ = 267347880. Its totient is φ = 177359232.

The previous prime is 222244441. The next prime is 222244489. The reversal of 222244465 is 564442222.

It is an interprime number because it is at equal distance from previous prime (222244441) and next prime (222244489).

It can be written as a sum of positive squares in 4 ways, for example, as 116380944 + 105863521 = 10788^2 + 10289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222244465 - 2⁵ = 222244433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52294 + ... + 56383.

It is an arithmetic number, because the mean of its divisors is an integer number (33418485).

Almost surely, 2^222244465 is an apocalyptic number.

It is an amenable number.

222244465 is a deficient number, since it is larger than the sum of its proper divisors (45103415).

222244465 is a wasteful number, since it uses less digits than its factorization.

222244465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109091.

The product of its digits is 30720, while the sum is 31.

The square root of 222244465 is about 14907.8658767779. The cubic root of 222244465 is about 605.7270725079.

Adding to 222244465 its reverse (564442222), we get a palindrome (786686687).

The spelling of 222244465 in words is "two hundred twenty-two million, two hundred forty-four thousand, four hundred sixty-five".