1222113215 has 16 divisors (see below), whose sum is σ = 1527180480. Its totient is φ = 937708800.

The previous prime is 1222113209. The next prime is 1222113241. The reversal of 1222113215 is 5123112221.

It is not a de Polignac number, because 1222113215 - 2¹⁴ = 1222096831 is a prime.

It is a congruent number.

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, 6014 + ... + 49803.

It is an arithmetic number, because the mean of its divisors is an integer number (95448780).

Almost surely, 2^1222113215 is an apocalyptic number.

1222113215 is a deficient number, since it is larger than the sum of its proper divisors (305067265).

1222113215 is a wasteful number, since it uses less digits than its factorization.

1222113215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56002.

The product of its digits is 240, while the sum is 20.

The square root of 1222113215 is about 34958.7358896171. The cubic root of 1222113215 is about 1069.1463231984.

Adding to 1222113215 its reverse (5123112221), we get a palindrome (6345225436).

The spelling of 1222113215 in words is "one billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred fifteen".