222944506 has 8 divisors (see below), whose sum is σ = 336114900. Its totient is φ = 110906208.

The previous prime is 222944503. The next prime is 222944531. The reversal of 222944506 is 605449222.

It can be written as a sum of positive squares in 2 ways, for example, as 208542481 + 14402025 = 14441^2 + 3795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (222944503) 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 3 ways as a sum of consecutive naturals, for example, 282531 + ... + 283318.

Almost surely, 2^222944506 is an apocalyptic number.

222944506 is a deficient number, since it is larger than the sum of its proper divisors (113170394).

222944506 is a wasteful number, since it uses less digits than its factorization.

222944506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566048.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 222944506 is about 14931.3263309058. The cubic root of 222944506 is about 606.3623929362.

The spelling of 222944506 in words is "two hundred twenty-two million, nine hundred forty-four thousand, five hundred six".