222266565 has 32 divisors (see below), whose sum is σ = 400723200. Its totient is φ = 116867520.

The previous prime is 222266533. The next prime is 222266567. The reversal of 222266565 is 565662222.

It is not a de Polignac number, because 222266565 - 2⁵ = 222266533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222266567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2010 + ... + 21179.

It is an arithmetic number, because the mean of its divisors is an integer number (12522600).

Almost surely, 2^222266565 is an apocalyptic number.

It is an amenable number.

222266565 is a deficient number, since it is larger than the sum of its proper divisors (178456635).

222266565 is a wasteful number, since it uses less digits than its factorization.

222266565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23274 (or 23268 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 222266565 is about 14908.6070777923. The cubic root of 222266565 is about 605.7471496853.

The spelling of 222266565 in words is "two hundred twenty-two million, two hundred sixty-six thousand, five hundred sixty-five".