222268665 has 16 divisors (see below), whose sum is σ = 371092608. Its totient is φ = 113389056.

The previous prime is 222268661. The next prime is 222268679. The reversal of 222268665 is 566862222.

It is not a de Polignac number, because 222268665 - 2² = 222268661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222268661) 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, 321784 + ... + 322473.

It is an arithmetic number, because the mean of its divisors is an integer number (23193288).

Almost surely, 2^222268665 is an apocalyptic number.

It is an amenable number.

222268665 is a deficient number, since it is larger than the sum of its proper divisors (148823943).

222268665 is a wasteful number, since it uses less digits than its factorization.

222268665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644288.

The product of its digits is 138240, while the sum is 39.

The square root of 222268665 is about 14908.6775067408. The cubic root of 222268665 is about 605.7490574021.

The spelling of 222268665 in words is "two hundred twenty-two million, two hundred sixty-eight thousand, six hundred sixty-five".