222455665 has 16 divisors (see below), whose sum is σ = 280843200. Its totient is φ = 168908992.

The previous prime is 222455663. The next prime is 222455689. The reversal of 222455665 is 566554222.

222455665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222455665 - 2¹ = 222455663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222455663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4447 + ... + 21556.

It is an arithmetic number, because the mean of its divisors is an integer number (17552700).

Almost surely, 2^222455665 is an apocalyptic number.

It is an amenable number.

222455665 is a deficient number, since it is larger than the sum of its proper divisors (58387535).

222455665 is a wasteful number, since it uses less digits than its factorization.

222455665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26096.

The product of its digits is 144000, while the sum is 37.

The square root of 222455665 is about 14914.9477035624. The cubic root of 222455665 is about 605.9188868914.

The spelling of 222455665 in words is "two hundred twenty-two million, four hundred fifty-five thousand, six hundred sixty-five".