222234856 has 8 divisors (see below), whose sum is σ = 416690370. Its totient is φ = 111117424.

The previous prime is 222234851. The next prime is 222234871. The reversal of 222234856 is 658432222.

222234856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 165533956 + 56700900 = 12866^2 + 7530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (222234851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13889671 + ... + 13889686.

Almost surely, 2^222234856 is an apocalyptic number.

It is an amenable number.

222234856 is a deficient number, since it is larger than the sum of its proper divisors (194455514).

222234856 is a wasteful number, since it uses less digits than its factorization.

222234856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27779363 (or 27779359 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 222234856 is about 14907.5435937649. The cubic root of 222234856 is about 605.7183426087.

The spelling of 222234856 in words is "two hundred twenty-two million, two hundred thirty-four thousand, eight hundred fifty-six".