222182742 has 32 divisors (see below), whose sum is σ = 450897408. Its totient is φ = 72979776.

The previous prime is 222182699. The next prime is 222182767. The reversal of 222182742 is 247281222.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 143223 + ... + 144765.

It is an arithmetic number, because the mean of its divisors is an integer number (14090544).

Almost surely, 2^222182742 is an apocalyptic number.

222182742 is an abundant number, since it is smaller than the sum of its proper divisors (228714666).

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

222182742 is a wasteful number, since it uses less digits than its factorization.

222182742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884.

The product of its digits is 7168, while the sum is 30.

The square root of 222182742 is about 14905.7955842686. The cubic root of 222182742 is about 605.6709919905.

The spelling of 222182742 in words is "two hundred twenty-two million, one hundred eighty-two thousand, seven hundred forty-two".