1122227845 has 16 divisors (see below), whose sum is σ = 1411447680. Its totient is φ = 854945344.

The previous prime is 1122227831. The next prime is 1122227857. The reversal of 1122227845 is 5487222211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122227845 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122227845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4611 + ... + 47599.

It is an arithmetic number, because the mean of its divisors is an integer number (88215480).

Almost surely, 2^1122227845 is an apocalyptic number.

It is an amenable number.

1122227845 is a deficient number, since it is larger than the sum of its proper divisors (289219835).

1122227845 is a wasteful number, since it uses less digits than its factorization.

1122227845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43244.

The product of its digits is 17920, while the sum is 34.

The square root of 1122227845 is about 33499.6693267262. The cubic root of 1122227845 is about 1039.1869400302.

The spelling of 1122227845 in words is "one billion, one hundred twenty-two million, two hundred twenty-seven thousand, eight hundred forty-five".