222240015 has 24 divisors (see below), whose sum is σ = 386045088. Its totient is φ = 118272960.

The previous prime is 222240001. The next prime is 222240043. The reversal of 222240015 is 510042222.

It is not a de Polignac number, because 222240015 - 2⁹ = 222239503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222240015.

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 23 ways as a sum of consecutive naturals, for example, 16845 + ... + 26985.

It is an arithmetic number, because the mean of its divisors is an integer number (16085212).

Almost surely, 2^222240015 is an apocalyptic number.

222240015 is a deficient number, since it is larger than the sum of its proper divisors (163805073).

222240015 is a wasteful number, since it uses less digits than its factorization.

222240015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10639 (or 10636 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 222240015 is about 14907.7166259625. The cubic root of 222240015 is about 605.7230296574.

Adding to 222240015 its reverse (510042222), we get a palindrome (732282237).

The spelling of 222240015 in words is "two hundred twenty-two million, two hundred forty thousand, fifteen".