222284740 has 24 divisors (see below), whose sum is σ = 467792640. Its totient is φ = 88724448.

The previous prime is 222284737. The next prime is 222284747. The reversal of 222284740 is 47482222.

It is not an unprimeable number, because it can be changed into a prime (222284747) by changing a digit.

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, 2022 + ... + 21181.

It is an arithmetic number, because the mean of its divisors is an integer number (19491360).

Almost surely, 2^222284740 is an apocalyptic number.

222284740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222284740 is an abundant number, since it is smaller than the sum of its proper divisors (245507900).

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

222284740 is a wasteful number, since it uses less digits than its factorization.

222284740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23691 (or 23689 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 222284740 is about 14909.2166125521. The cubic root of 222284740 is about 605.7636601223.

The spelling of 222284740 in words is "two hundred twenty-two million, two hundred eighty-four thousand, seven hundred forty".