1122223043 has 4 divisors (see below), whose sum is σ = 1122307368. Its totient is φ = 1122138720.

The previous prime is 1122223031. The next prime is 1122223051. The reversal of 1122223043 is 3403222211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3403222211 = 20753 ⋅163987.

It is a cyclic number.

It is not a de Polignac number, because 1122223043 - 2⁴ = 1122223027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122226043) 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, 17321 + ... + 50442.

It is an arithmetic number, because the mean of its divisors is an integer number (280576842).

Almost surely, 2^1122223043 is an apocalyptic number.

1122223043 is a deficient number, since it is larger than the sum of its proper divisors (84325).

1122223043 is an equidigital number, since it uses as much as digits as its factorization.

1122223043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84324.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1122223043 is about 33499.5976543003. The cubic root of 1122223043 is about 1039.1854578051.

Adding to 1122223043 its reverse (3403222211), we get a palindrome (4525445254).

The spelling of 1122223043 in words is "one billion, one hundred twenty-two million, two hundred twenty-three thousand, forty-three".