1122784436 has 24 divisors (see below), whose sum is σ = 2009435904. Its totient is φ = 548739360.

The previous prime is 1122784417. The next prime is 1122784441. The reversal of 1122784436 is 6344872211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122784436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47681 + ... + 67223.

It is an arithmetic number, because the mean of its divisors is an integer number (83726496).

Almost surely, 2^1122784436 is an apocalyptic number.

It is an amenable number.

1122784436 is a deficient number, since it is larger than the sum of its proper divisors (886651468).

1122784436 is a wasteful number, since it uses less digits than its factorization.

1122784436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19871 (or 19869 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 1122784436 is about 33507.9757072850. The cubic root of 1122784436 is about 1039.3587133778.

The spelling of 1122784436 in words is "one billion, one hundred twenty-two million, seven hundred eighty-four thousand, four hundred thirty-six".