1163222979 has 8 divisors (see below), whose sum is σ = 1574112960. Its totient is φ = 763907496.

The previous prime is 1163222927. The next prime is 1163223041. The reversal of 1163222979 is 9792223611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1163222979 - 2¹² = 1163218883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1163222979.

It is not an unprimeable number, because it can be changed into a prime (1163222779) 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 7 ways as a sum of consecutive naturals, for example, 2893389 + ... + 2893790.

It is an arithmetic number, because the mean of its divisors is an integer number (196764120).

Almost surely, 2^1163222979 is an apocalyptic number.

1163222979 is a deficient number, since it is larger than the sum of its proper divisors (410889981).

1163222979 is an equidigital number, since it uses as much as digits as its factorization.

1163222979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5787249.

The product of its digits is 81648, while the sum is 42.

The square root of 1163222979 is about 34106.0548729987. The cubic root of 1163222979 is about 1051.6897897802.

The spelling of 1163222979 in words is "one billion, one hundred sixty-three million, two hundred twenty-two thousand, nine hundred seventy-nine".