1222322895 has 12 divisors (see below), whose sum is σ = 2118693096. Its totient is φ = 651905520.

The previous prime is 1222322887. The next prime is 1222322929. The reversal of 1222322895 is 5982232221.

It is not a de Polignac number, because 1222322895 - 2³ = 1222322887 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 13581321 + ... + 13581410.

It is an arithmetic number, because the mean of its divisors is an integer number (176557758).

Almost surely, 2^1222322895 is an apocalyptic number.

1222322895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222322895 is a deficient number, since it is larger than the sum of its proper divisors (896370201).

1222322895 is a wasteful number, since it uses less digits than its factorization.

1222322895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27162742 (or 27162739 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 1222322895 is about 34961.7347252679. The cubic root of 1222322895 is about 1069.2074647736.

The spelling of 1222322895 in words is "one billion, two hundred twenty-two million, three hundred twenty-two thousand, eight hundred ninety-five".