222270289 has 8 divisors (see below), whose sum is σ = 226503648. Its totient is φ = 218064000.

The previous prime is 222270281. The next prime is 222270319. The reversal of 222270289 is 982072222.

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

It is a cyclic number.

It is not a de Polignac number, because 222270289 - 2³ = 222270281 is a prime.

It is a super-3 number, since 3×222270289³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222270281) 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, 10209 + ... + 23425.

It is an arithmetic number, because the mean of its divisors is an integer number (28312956).

Almost surely, 2^222270289 is an apocalyptic number.

It is an amenable number.

222270289 is a deficient number, since it is larger than the sum of its proper divisors (4233359).

222270289 is a wasteful number, since it uses less digits than its factorization.

222270289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13535.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 222270289 is about 14908.7319715662. The cubic root of 222270289 is about 605.7505326949.

The spelling of 222270289 in words is "two hundred twenty-two million, two hundred seventy thousand, two hundred eighty-nine".