1222111315 has 8 divisors (see below), whose sum is σ = 1467962208. Its totient is φ = 976736640.

The previous prime is 1222111273. The next prime is 1222111321. The reversal of 1222111315 is 5131112221.

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

It is a de Polignac number, because none of the positive numbers 2^k-1222111315 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222111292 and 1222111301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113382 + ... + 123691.

It is an arithmetic number, because the mean of its divisors is an integer number (183495276).

Almost surely, 2^1222111315 is an apocalyptic number.

1222111315 is a deficient number, since it is larger than the sum of its proper divisors (245850893).

1222111315 is a wasteful number, since it uses less digits than its factorization.

1222111315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238109.

The product of its digits is 120, while the sum is 19.

The square root of 1222111315 is about 34958.7087147108. The cubic root of 1222111315 is about 1069.1457691365.

Adding to 1222111315 its reverse (5131112221), we get a palindrome (6353223536).

The spelling of 1222111315 in words is "one billion, two hundred twenty-two million, one hundred eleven thousand, three hundred fifteen".