222944513 has 8 divisors (see below), whose sum is σ = 243474336. Its totient is φ = 202458400.

The previous prime is 222944503. The next prime is 222944531. The reversal of 222944513 is 315449222.

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

It is a cyclic number.

It is not a de Polignac number, because 222944513 - 2¹⁰ = 222943489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222944513.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245 + ... + 21117.

It is an arithmetic number, because the mean of its divisors is an integer number (30434292).

Almost surely, 2^222944513 is an apocalyptic number.

It is an amenable number.

222944513 is a deficient number, since it is larger than the sum of its proper divisors (20529823).

222944513 is a wasteful number, since it uses less digits than its factorization.

222944513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21855.

The product of its digits is 17280, while the sum is 32.

The square root of 222944513 is about 14931.3265653123. The cubic root of 222944513 is about 606.3623992824.

The spelling of 222944513 in words is "two hundred twenty-two million, nine hundred forty-four thousand, five hundred thirteen".