1312202222 has 8 divisors (see below), whose sum is σ = 2084085936. Its totient is φ = 617506912.

The previous prime is 1312202209. The next prime is 1312202257. The reversal of 1312202222 is 2222022131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1312202222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19297058 + ... + 19297125.

It is an arithmetic number, because the mean of its divisors is an integer number (260510742).

Almost surely, 2^1312202222 is an apocalyptic number.

1312202222 is a deficient number, since it is larger than the sum of its proper divisors (771883714).

1312202222 is a wasteful number, since it uses less digits than its factorization.

1312202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38594202.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1312202222 is about 36224.3319055024. The cubic root of 1312202222 is about 1094.7969771568.

Adding to 1312202222 its reverse (2222022131), we get a palindrome (3534224353).

The spelling of 1312202222 in words is "one billion, three hundred twelve million, two hundred two thousand, two hundred twenty-two".