222066365 has 8 divisors (see below), whose sum is σ = 270130488. Its totient is φ = 175219200.

The previous prime is 222066347. The next prime is 222066371. The reversal of 222066365 is 563660222.

It can be written as a sum of positive squares in 4 ways, for example, as 102535876 + 119530489 = 10126^2 + 10933^2 .

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

It is not a de Polignac number, because 222066365 - 2¹⁰ = 222065341 is a prime.

It is a Duffinian number.

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, 303836 + ... + 304565.

It is an arithmetic number, because the mean of its divisors is an integer number (33766311).

Almost surely, 2^222066365 is an apocalyptic number.

It is an amenable number.

222066365 is a deficient number, since it is larger than the sum of its proper divisors (48064123).

222066365 is an equidigital number, since it uses as much as digits as its factorization.

222066365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608479.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 222066365 is about 14901.8913229160. The cubic root of 222066365 is about 605.5652254751.

The spelling of 222066365 in words is "two hundred twenty-two million, sixty-six thousand, three hundred sixty-five".