1122404304 has 80 divisors (see below), whose sum is σ = 3335028608. Its totient is φ = 318629376.

The previous prime is 1122404303. The next prime is 1122404317. The reversal of 1122404304 is 4034042211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122404303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42114 + ... + 63390.

Almost surely, 2^1122404304 is an apocalyptic number.

1122404304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122404304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1667514304).

1122404304 is an abundant number, since it is smaller than the sum of its proper divisors (2212624304).

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

1122404304 is a wasteful number, since it uses less digits than its factorization.

1122404304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21452 (or 21446 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1122404304 is about 33502.3029656172. The cubic root of 1122404304 is about 1039.2414043943.

Adding to 1122404304 its reverse (4034042211), we get a palindrome (5156446515).

The spelling of 1122404304 in words is "one billion, one hundred twenty-two million, four hundred four thousand, three hundred four".