1112227889 has 4 divisors (see below), whose sum is σ = 1148106240. Its totient is φ = 1076349540.

The previous prime is 1112227877. The next prime is 1112227891. The reversal of 1112227889 is 9887222111.

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 a cyclic number.

It is not a de Polignac number, because 1112227889 - 2¹⁶ = 1112162353 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1112227819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17939129 + ... + 17939190.

It is an arithmetic number, because the mean of its divisors is an integer number (287026560).

Almost surely, 2^1112227889 is an apocalyptic number.

It is an amenable number.

1112227889 is a deficient number, since it is larger than the sum of its proper divisors (35878351).

1112227889 is an equidigital number, since it uses as much as digits as its factorization.

1112227889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35878350.

The product of its digits is 32256, while the sum is 41.

The square root of 1112227889 is about 33350.0807945048. The cubic root of 1112227889 is about 1036.0910613124.

The spelling of 1112227889 in words is "one billion, one hundred twelve million, two hundred twenty-seven thousand, eight hundred eighty-nine".