1222457793 has 16 divisors (see below), whose sum is σ = 1725366720. Its totient is φ = 768567744.

The previous prime is 1222457791. The next prime is 1222457801. The reversal of 1222457793 is 3977542221.

It is not a de Polignac number, because 1222457793 - 2¹ = 1222457791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222457791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159646 + ... + 167127.

It is an arithmetic number, because the mean of its divisors is an integer number (107835420).

Almost surely, 2^1222457793 is an apocalyptic number.

It is an amenable number.

1222457793 is a deficient number, since it is larger than the sum of its proper divisors (502908927).

1222457793 is a wasteful number, since it uses less digits than its factorization.

1222457793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326848.

The product of its digits is 211680, while the sum is 42.

The square root of 1222457793 is about 34963.6638955359. The cubic root of 1222457793 is about 1069.2467966184.

The spelling of 1222457793 in words is "one billion, two hundred twenty-two million, four hundred fifty-seven thousand, seven hundred ninety-three".