222120315 has 48 divisors (see below), whose sum is σ = 403610688. Its totient is φ = 112789248.

The previous prime is 222120313. The next prime is 222120323. The reversal of 222120315 is 513021222.

It is not a de Polignac number, because 222120315 - 2¹ = 222120313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222120313) 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 47 ways as a sum of consecutive naturals, for example, 327757 + ... + 328433.

It is an arithmetic number, because the mean of its divisors is an integer number (8408556).

Almost surely, 2^222120315 is an apocalyptic number.

222120315 is a deficient number, since it is larger than the sum of its proper divisors (181490373).

222120315 is a wasteful number, since it uses less digits than its factorization.

222120315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 222120315 is about 14903.7013858974. The cubic root of 222120315 is about 605.6142612645.

Adding to 222120315 its reverse (513021222), we get a palindrome (735141537).

The spelling of 222120315 in words is "two hundred twenty-two million, one hundred twenty thousand, three hundred fifteen".