1222413215 has 16 divisors (see below), whose sum is σ = 1525630080. Its totient is φ = 939444480.

The previous prime is 1222413211. The next prime is 1222413263. The reversal of 1222413215 is 5123142221.

It is not a de Polignac number, because 1222413215 - 2² = 1222413211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222413211) 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 15 ways as a sum of consecutive naturals, for example, 27206 + ... + 56435.

It is an arithmetic number, because the mean of its divisors is an integer number (95351880).

Almost surely, 2^1222413215 is an apocalyptic number.

1222413215 is a deficient number, since it is larger than the sum of its proper divisors (303216865).

1222413215 is an equidigital number, since it uses as much as digits as its factorization.

1222413215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83762.

The product of its digits is 960, while the sum is 23.

The square root of 1222413215 is about 34963.0263993265. The cubic root of 1222413215 is about 1069.2337994517.

Adding to 1222413215 its reverse (5123142221), we get a palindrome (6345555436).

The spelling of 1222413215 in words is "one billion, two hundred twenty-two million, four hundred thirteen thousand, two hundred fifteen".