1122919227 has 12 divisors (see below), whose sum is σ = 1663842040. Its totient is φ = 748496736.

The previous prime is 1122919223. The next prime is 1122919229. The reversal of 1122919227 is 7229192211.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 1122919227 - 2² = 1122919223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122919191 and 1122919200.

It is not an unprimeable number, because it can be changed into a prime (1122919223) 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 11 ways as a sum of consecutive naturals, for example, 170899 + ... + 177347.

Almost surely, 2^1122919227 is an apocalyptic number.

1122919227 is a deficient number, since it is larger than the sum of its proper divisors (540922813).

1122919227 is an frugal number, since it uses more digits than its factorization.

1122919227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12907 (or 6452 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 1122919227 is about 33509.9869740351. The cubic root of 1122919227 is about 1039.4003036095.

The spelling of 1122919227 in words is "one billion, one hundred twenty-two million, nine hundred nineteen thousand, two hundred twenty-seven".