222556120 has 32 divisors (see below), whose sum is σ = 527108400. Its totient is φ = 84336768.

The previous prime is 222556093. The next prime is 222556141. The reversal of 222556120 is 21655222.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 145659 + ... + 147178.

Almost surely, 2^222556120 is an apocalyptic number.

222556120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222556120 is an abundant number, since it is smaller than the sum of its proper divisors (304552280).

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

222556120 is a wasteful number, since it uses less digits than its factorization.

222556120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292867 (or 292863 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 222556120 is about 14918.3149182473. The cubic root of 222556120 is about 606.0100787281.

The spelling of 222556120 in words is "two hundred twenty-two million, five hundred fifty-six thousand, one hundred twenty".