1129868222 has 32 divisors (see below), whose sum is σ = 2020085760. Its totient is φ = 463760640.

The previous prime is 1129868197. The next prime is 1129868237. The reversal of 1129868222 is 2228689211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1129868222.

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, 28679 + ... + 55517.

It is an arithmetic number, because the mean of its divisors is an integer number (63127680).

Almost surely, 2^1129868222 is an apocalyptic number.

1129868222 is a deficient number, since it is larger than the sum of its proper divisors (890217538).

1129868222 is a wasteful number, since it uses less digits than its factorization.

1129868222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26976.

The product of its digits is 55296, while the sum is 41.

The square root of 1129868222 is about 33613.5124912586. The cubic root of 1129868222 is about 1041.5399468279.

The spelling of 1129868222 in words is "one billion, one hundred twenty-nine million, eight hundred sixty-eight thousand, two hundred twenty-two".