222842256 has 160 divisors (see below), whose sum is σ = 750451968. Its totient is φ = 55296000.

The previous prime is 222842227. The next prime is 222842281. The reversal of 222842256 is 652248222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72756 + ... + 75756.

Almost surely, 2^222842256 is an apocalyptic number.

222842256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222842256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375225984).

222842256 is an abundant number, since it is smaller than the sum of its proper divisors (527609712).

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

222842256 is a wasteful number, since it uses less digits than its factorization.

222842256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049 (or 3043 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 222842256 is about 14927.9019289383. The cubic root of 222842256 is about 606.2696792280.

The spelling of 222842256 in words is "two hundred twenty-two million, eight hundred forty-two thousand, two hundred fifty-six".