1122206044 has 18 divisors (see below), whose sum is σ = 2072664384. Its totient is φ = 531570600.

The previous prime is 1122206021. The next prime is 1122206161. The reversal of 1122206044 is 4406022211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 387132 + ... + 390019.

Almost surely, 2^1122206044 is an apocalyptic number.

It is an amenable number.

1122206044 is a deficient number, since it is larger than the sum of its proper divisors (950458340).

1122206044 is a wasteful number, since it uses less digits than its factorization.

1122206044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777193 (or 777172 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1122206044 is about 33499.3439338743. The cubic root of 1122206044 is about 1039.1802107190.

Adding to 1122206044 its reverse (4406022211), we get a palindrome (5528228255).

The spelling of 1122206044 in words is "one billion, one hundred twenty-two million, two hundred six thousand, forty-four".