222280565 has 8 divisors (see below), whose sum is σ = 287254968. Its totient is φ = 164145600.

The previous prime is 222280549. The next prime is 222280573. The reversal of 222280565 is 565082222.

It can be written as a sum of positive squares in 4 ways, for example, as 51638596 + 170641969 = 7186^2 + 13063^2 .

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

It is not a de Polignac number, because 222280565 - 2⁴ = 222280549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1709786 + ... + 1709915.

It is an arithmetic number, because the mean of its divisors is an integer number (35906871).

Almost surely, 2^222280565 is an apocalyptic number.

It is an amenable number.

222280565 is a deficient number, since it is larger than the sum of its proper divisors (64974403).

222280565 is a wasteful number, since it uses less digits than its factorization.

222280565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419719.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 222280565 is about 14909.0765978313. The cubic root of 222280565 is about 605.7598675706.

The spelling of 222280565 in words is "two hundred twenty-two million, two hundred eighty thousand, five hundred sixty-five".