222573689 has 8 divisors (see below), whose sum is σ = 243625032. Its totient is φ = 202083840.

The previous prime is 222573679. The next prime is 222573721. The reversal of 222573689 is 986375222.

It can be written as a sum of positive squares in 4 ways, for example, as 12816400 + 209757289 = 3580^2 + 14483^2 .

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 222573689 - 2²⁴ = 205796473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222573629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139544 + ... + 141129.

It is an arithmetic number, because the mean of its divisors is an integer number (30453129).

Almost surely, 2^222573689 is an apocalyptic number.

It is an amenable number.

222573689 is a deficient number, since it is larger than the sum of its proper divisors (21051343).

222573689 is a wasteful number, since it uses less digits than its factorization.

222573689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280747.

The product of its digits is 362880, while the sum is 44.

The square root of 222573689 is about 14918.9037465894. The cubic root of 222573689 is about 606.0260248348.

The spelling of 222573689 in words is "two hundred twenty-two million, five hundred seventy-three thousand, six hundred eighty-nine".