1222315 has 4 divisors (see below), whose sum is σ = 1466784. Its totient is φ = 977848.

The previous prime is 1222307. The next prime is 1222373. The reversal of 1222315 is 5132221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222315 - 2³ = 1222307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122227 + ... + 122236.

It is an arithmetic number, because the mean of its divisors is an integer number (366696).

2^1222315 is an apocalyptic number.

1222315 is a deficient number, since it is larger than the sum of its proper divisors (244469).

1222315 is an equidigital number, since it uses as much as digits as its factorization.

1222315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244468.

The product of its digits is 120, while the sum is 16.

The square root of 1222315 is about 1105.5835563177. The cubic root of 1222315 is about 106.9205162760.

Adding to 1222315 its reverse (5132221), we get a palindrome (6354536).

The spelling of 1222315 in words is "one million, two hundred twenty-two thousand, three hundred fifteen".