1222212295 has 16 divisors (see below), whose sum is σ = 1532938752. Its totient is φ = 933720480.

The previous prime is 1222212281. The next prime is 1222212359. The reversal of 1222212295 is 5922122221.

It is not a de Polignac number, because 1222212295 - 2²⁵ = 1188657863 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 64144 + ... + 80986.

It is an arithmetic number, because the mean of its divisors is an integer number (95808672).

Almost surely, 2^1222212295 is an apocalyptic number.

1222212295 is a deficient number, since it is larger than the sum of its proper divisors (310726457).

1222212295 is a wasteful number, since it uses less digits than its factorization.

1222212295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17502.

The product of its digits is 2880, while the sum is 28.

The square root of 1222212295 is about 34960.1529601917. The cubic root of 1222212295 is about 1069.1752152720.

The spelling of 1222212295 in words is "one billion, two hundred twenty-two million, two hundred twelve thousand, two hundred ninety-five".