1312219222 has 16 divisors (see below), whose sum is σ = 2089720512. Its totient is φ = 615853440.

The previous prime is 1312219199. The next prime is 1312219241. The reversal of 1312219222 is 2229122131.

It is a congruent number.

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, 39054 + ... + 64417.

It is an arithmetic number, because the mean of its divisors is an integer number (130607532).

Almost surely, 2^1312219222 is an apocalyptic number.

1312219222 is a deficient number, since it is larger than the sum of its proper divisors (777501290).

1312219222 is a wasteful number, since it uses less digits than its factorization.

1312219222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103863.

The product of its digits is 864, while the sum is 25.

The square root of 1312219222 is about 36224.5665536525. The cubic root of 1312219222 is about 1094.8017049515.

The spelling of 1312219222 in words is "one billion, three hundred twelve million, two hundred nineteen thousand, two hundred twenty-two".