1167228669 has 4 divisors (see below), whose sum is σ = 1556304896. Its totient is φ = 778152444.

The previous prime is 1167228659. The next prime is 1167228697. The reversal of 1167228669 is 9668227611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1167228669 - 2¹⁵ = 1167195901 is a prime.

It is a super-2 number, since 2×1167228669² = 2724845531471023122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167228659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194538109 + ... + 194538114.

It is an arithmetic number, because the mean of its divisors is an integer number (389076224).

Almost surely, 2^1167228669 is an apocalyptic number.

It is an amenable number.

1167228669 is a deficient number, since it is larger than the sum of its proper divisors (389076227).

1167228669 is an equidigital number, since it uses as much as digits as its factorization.

1167228669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389076226.

The product of its digits is 435456, while the sum is 48.

The square root of 1167228669 is about 34164.7284344542. The cubic root of 1167228669 is about 1052.8956109896.

The spelling of 1167228669 in words is "one billion, one hundred sixty-seven million, two hundred twenty-eight thousand, six hundred sixty-nine".