1222895939 has 4 divisors (see below), whose sum is σ = 1222996224. Its totient is φ = 1222795656.

The previous prime is 1222895929. The next prime is 1222895941. The reversal of 1222895939 is 9395982221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1222895939 - 2⁸ = 1222895683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222895909) 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, 28832 + ... + 57245.

It is an arithmetic number, because the mean of its divisors is an integer number (305749056).

Almost surely, 2^1222895939 is an apocalyptic number.

1222895939 is a deficient number, since it is larger than the sum of its proper divisors (100285).

1222895939 is an equidigital number, since it uses as much as digits as its factorization.

1222895939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100284.

The product of its digits is 699840, while the sum is 50.

The square root of 1222895939 is about 34969.9290677004. The cubic root of 1222895939 is about 1069.3745257037.

The spelling of 1222895939 in words is "one billion, two hundred twenty-two million, eight hundred ninety-five thousand, nine hundred thirty-nine".