1122204331 has 4 divisors (see below), whose sum is σ = 1122315912. Its totient is φ = 1122092752.

The previous prime is 1122204313. The next prime is 1122204359. The reversal of 1122204331 is 1334022211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122204331 is a prime.

It is a super-2 number, since 2×1122204331² = 2518685121030315122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122204299 and 1122204308.

It is not an unprimeable number, because it can be changed into a prime (1122204301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39025 + ... + 61378.

It is an arithmetic number, because the mean of its divisors is an integer number (280578978).

Almost surely, 2^1122204331 is an apocalyptic number.

1122204331 is a deficient number, since it is larger than the sum of its proper divisors (111581).

1122204331 is a wasteful number, since it uses less digits than its factorization.

1122204331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111580.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1122204331 is about 33499.3183661996. The cubic root of 1122204331 is about 1039.1796819639.

Adding to 1122204331 its reverse (1334022211), we get a palindrome (2456226542).

The spelling of 1122204331 in words is "one billion, one hundred twenty-two million, two hundred four thousand, three hundred thirty-one".