1122604443 has 24 divisors (see below), whose sum is σ = 1631879600. Its totient is φ = 743649984.

The previous prime is 1122604433. The next prime is 1122604451. The reversal of 1122604443 is 3444062211.

It is a happy number.

1122604443 is a `hidden beast` number, since 1 + 12 + 2 + 604 + 4 + 43 = 666.

It is not a de Polignac number, because 1122604443 - 2⁸ = 1122604187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122604403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1353753 + ... + 1354581.

Almost surely, 2^1122604443 is an apocalyptic number.

1122604443 is a deficient number, since it is larger than the sum of its proper divisors (509275157).

1122604443 is a wasteful number, since it uses less digits than its factorization.

1122604443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1122604443 is about 33505.2897763920. The cubic root of 1122604443 is about 1039.3031707214.

Adding to 1122604443 its reverse (3444062211), we get a palindrome (4566666654).

The spelling of 1122604443 in words is "one billion, one hundred twenty-two million, six hundred four thousand, four hundred forty-three".