222057984 has 40 divisors (see below), whose sum is σ = 591580440. Its totient is φ = 74018816.

The previous prime is 222057973. The next prime is 222057989. The reversal of 222057984 is 489750222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222057989) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 70749 + ... + 73820.

It is an arithmetic number, because the mean of its divisors is an integer number (14789511).

Almost surely, 2^222057984 is an apocalyptic number.

222057984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222057984 is an abundant number, since it is smaller than the sum of its proper divisors (369522456).

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

222057984 is an equidigital number, since it uses as much as digits as its factorization.

222057984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144590 (or 144574 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 222057984 is about 14901.6101143467. The cubic root of 222057984 is about 605.5576071729.

The spelling of 222057984 in words is "two hundred twenty-two million, fifty-seven thousand, nine hundred eighty-four".