1222193215 has 16 divisors (see below), whose sum is σ = 1474560000. Its totient is φ = 972486432.

The previous prime is 1222193207. The next prime is 1222193227. The reversal of 1222193215 is 5123912221.

It is a cyclic number.

It is not a de Polignac number, because 1222193215 - 2³ = 1222193207 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, 954946 + ... + 956224.

It is an arithmetic number, because the mean of its divisors is an integer number (92160000).

Almost surely, 2^1222193215 is an apocalyptic number.

1222193215 is a deficient number, since it is larger than the sum of its proper divisors (252366785).

1222193215 is a wasteful number, since it uses less digits than its factorization.

1222193215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166.

The product of its digits is 2160, while the sum is 28.

The square root of 1222193215 is about 34959.8800770254. The cubic root of 1222193215 is about 1069.1696515989.

The spelling of 1222193215 in words is "one billion, two hundred twenty-two million, one hundred ninety-three thousand, two hundred fifteen".