1222315115 has 16 divisors (see below), whose sum is σ = 1677720000. Its totient is φ = 837457920.

The previous prime is 1222315109. The next prime is 1222315121. The reversal of 1222315115 is 5115132221.

It is an interprime number because it is at equal distance from previous prime (1222315109) and next prime (1222315121).

It is not a de Polignac number, because 1222315115 - 2¹⁰ = 1222314091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29735 + ... + 57695.

It is an arithmetic number, because the mean of its divisors is an integer number (104857500).

Almost surely, 2^1222315115 is an apocalyptic number.

1222315115 is a deficient number, since it is larger than the sum of its proper divisors (455404885).

1222315115 is a wasteful number, since it uses less digits than its factorization.

1222315115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29222.

The product of its digits is 600, while the sum is 23.

The square root of 1222315115 is about 34961.6234605889. The cubic root of 1222315115 is about 1069.2051962918.

Adding to 1222315115 its reverse (5115132221), we get a palindrome (6337447336).

The spelling of 1222315115 in words is "one billion, two hundred twenty-two million, three hundred fifteen thousand, one hundred fifteen".