222244665 has 8 divisors (see below), whose sum is σ = 355591488. Its totient is φ = 118530480.

The previous prime is 222244663. The next prime is 222244679. The reversal of 222244665 is 566442222.

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

It is not a de Polignac number, because 222244665 - 2¹ = 222244663 is a prime.

It is a super-2 number, since 2×222244665² = 98785382241924450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (222244663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7408141 + ... + 7408170.

It is an arithmetic number, because the mean of its divisors is an integer number (44448936).

Almost surely, 2^222244665 is an apocalyptic number.

It is an amenable number.

222244665 is a deficient number, since it is larger than the sum of its proper divisors (133346823).

222244665 is a wasteful number, since it uses less digits than its factorization.

222244665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14816319.

The product of its digits is 46080, while the sum is 33.

The square root of 222244665 is about 14907.8725846447. The cubic root of 222244665 is about 605.7272542078.

Adding to 222244665 its reverse (566442222), we get a palindrome (788686887).

The spelling of 222244665 in words is "two hundred twenty-two million, two hundred forty-four thousand, six hundred sixty-five".