1222309949 has 12 divisors (see below), whose sum is σ = 1423524384. Its totient is φ = 1046475864.

The previous prime is 1222309937. The next prime is 1222309969. The reversal of 1222309949 is 9499032221.

It is not a de Polignac number, because 1222309949 - 2²⁰ = 1221261373 is a prime.

It is a super-2 number, since 2×1222309949² = 2988083222848765202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222309969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29402 + ... + 57524.

It is an arithmetic number, because the mean of its divisors is an integer number (118627032).

Almost surely, 2^1222309949 is an apocalyptic number.

It is an amenable number.

1222309949 is a deficient number, since it is larger than the sum of its proper divisors (201214435).

1222309949 is an equidigital number, since it uses as much as digits as its factorization.

1222309949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29024 (or 29017 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1222309949 is about 34961.5495795023. The cubic root of 1222309949 is about 1069.2036899913.

The spelling of 1222309949 in words is "one billion, two hundred twenty-two million, three hundred nine thousand, nine hundred forty-nine".