222256236 has 36 divisors (see below), whose sum is σ = 535894296. Its totient is φ = 71691840.

The previous prime is 222256211. The next prime is 222256241. The reversal of 222256236 is 632652222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1896 + ... + 21168.

Almost surely, 2^222256236 is an apocalyptic number.

It is an amenable number.

222256236 is an abundant number, since it is smaller than the sum of its proper divisors (313638060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222256236 is a wasteful number, since it uses less digits than its factorization.

222256236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19342 (or 19309 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 222256236 is about 14908.2606631357. The cubic root of 222256236 is about 605.7377662688.

The spelling of 222256236 in words is "two hundred twenty-two million, two hundred fifty-six thousand, two hundred thirty-six".