1112222154 has 16 divisors (see below), whose sum is σ = 2296200960. Its totient is φ = 358781280.

The previous prime is 1112222141. The next prime is 1112222159. The reversal of 1112222154 is 4512222111.

It is a self number, because there is not a number n which added to its sum of digits gives 1112222154.

It is not an unprimeable number, because it can be changed into a prime (1112222159) 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 7 ways as a sum of consecutive naturals, for example, 2989659 + ... + 2990030.

It is an arithmetic number, because the mean of its divisors is an integer number (143512560).

Almost surely, 2^1112222154 is an apocalyptic number.

1112222154 is an abundant number, since it is smaller than the sum of its proper divisors (1183978806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112222154 is a wasteful number, since it uses less digits than its factorization.

1112222154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5979725.

The product of its digits is 320, while the sum is 21.

The square root of 1112222154 is about 33349.9948125933. The cubic root of 1112222154 is about 1036.0892805046.

Adding to 1112222154 its reverse (4512222111), we get a palindrome (5624444265).

The spelling of 1112222154 in words is "one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred fifty-four".