222299965 has 16 divisors (see below), whose sum is σ = 271706688. Its totient is φ = 174566016.

The previous prime is 222299963. The next prime is 222299999. The reversal of 222299965 is 569992222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222299965 - 2¹ = 222299963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222299963) 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, 81514 + ... + 84196.

It is an arithmetic number, because the mean of its divisors is an integer number (16981668).

Almost surely, 2^222299965 is an apocalyptic number.

It is an amenable number.

222299965 is a deficient number, since it is larger than the sum of its proper divisors (49406723).

222299965 is a wasteful number, since it uses less digits than its factorization.

222299965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988.

The product of its digits is 349920, while the sum is 46.

The square root of 222299965 is about 14909.7271940167. The cubic root of 222299965 is about 605.7774900433. Note that the first 3 decimals are identical.

The spelling of 222299965 in words is "two hundred twenty-two million, two hundred ninety-nine thousand, nine hundred sixty-five".