222215513 has 8 divisors (see below), whose sum is σ = 239533056. Its totient is φ = 204930000.

The previous prime is 222215509. The next prime is 222215519. The reversal of 222215513 is 315512222.

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 222215513 - 2² = 222215509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222215519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7538 + ... + 22388.

It is an arithmetic number, because the mean of its divisors is an integer number (29941632).

Almost surely, 2^222215513 is an apocalyptic number.

It is an amenable number.

222215513 is a deficient number, since it is larger than the sum of its proper divisors (17317543).

222215513 is a wasteful number, since it uses less digits than its factorization.

222215513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16015.

The product of its digits is 1200, while the sum is 23.

The square root of 222215513 is about 14906.8948141456. The cubic root of 222215513 is about 605.7007684831.

Adding to 222215513 its reverse (315512222), we get a palindrome (537727735).

The spelling of 222215513 in words is "two hundred twenty-two million, two hundred fifteen thousand, five hundred thirteen".