1122222689 has 16 divisors (see below), whose sum is σ = 1318775040. Its totient is φ = 935064000.

The previous prime is 1122222679. The next prime is 1122222697. The reversal of 1122222689 is 9862222211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1122222689 - 2⁸ = 1122222433 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 (1122222679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26564 + ... + 54314.

It is an arithmetic number, because the mean of its divisors is an integer number (82423440).

Almost surely, 2^1122222689 is an apocalyptic number.

It is an amenable number.

1122222689 is a deficient number, since it is larger than the sum of its proper divisors (196552351).

1122222689 is a wasteful number, since it uses less digits than its factorization.

1122222689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27920.

The product of its digits is 13824, while the sum is 35.

The square root of 1122222689 is about 33499.5923706543. The cubic root of 1122222689 is about 1039.1853485364.

The spelling of 1122222689 in words is "one billion, one hundred twenty-two million, two hundred twenty-two thousand, six hundred eighty-nine".