222444465 has 16 divisors (see below), whose sum is σ = 359369088. Its totient is φ = 117484416.

The previous prime is 222444451. The next prime is 222444479. The reversal of 222444465 is 564444222.

222444465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222444451) and next prime (222444479).

It is not a de Polignac number, because 222444465 - 2⁴ = 222444449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70444 + ... + 73533.

It is an arithmetic number, because the mean of its divisors is an integer number (22460568).

Almost surely, 2^222444465 is an apocalyptic number.

It is an amenable number.

222444465 is a deficient number, since it is larger than the sum of its proper divisors (136924623).

222444465 is a wasteful number, since it uses less digits than its factorization.

222444465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144088.

The product of its digits is 61440, while the sum is 33.

The square root of 222444465 is about 14914.5722365745. The cubic root of 222444465 is about 605.9087179656.

Adding to 222444465 its reverse (564444222), we get a palindrome (786888687).

The spelling of 222444465 in words is "two hundred twenty-two million, four hundred forty-four thousand, four hundred sixty-five".