1222910313 has 4 divisors (see below), whose sum is σ = 1630547088. Its totient is φ = 815273540.

The previous prime is 1222910303. The next prime is 1222910333. The reversal of 1222910313 is 3130192221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222910313 - 2⁸ = 1222910057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222910303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203818383 + ... + 203818388.

It is an arithmetic number, because the mean of its divisors is an integer number (407636772).

Almost surely, 2^1222910313 is an apocalyptic number.

It is an amenable number.

1222910313 is a deficient number, since it is larger than the sum of its proper divisors (407636775).

1222910313 is an equidigital number, since it uses as much as digits as its factorization.

1222910313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407636774.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1222910313 is about 34970.1345865297. The cubic root of 1222910313 is about 1069.3787155204.

The spelling of 1222910313 in words is "one billion, two hundred twenty-two million, nine hundred ten thousand, three hundred thirteen".