22033442331 has 24 divisors (see below), whose sum is σ = 34334033760. Its totient is φ = 13564052736.

The previous prime is 22033442311. The next prime is 22033442339. The reversal of 22033442331 is 13324433022.

22033442331 is a `hidden beast` number, since 2 + 203 + 3 + 4 + 423 + 31 = 666.

It is not a de Polignac number, because 22033442331 - 2⁷ = 22033442203 is a prime.

It is a super-2 number, since 2×22033442331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22033442295 and 22033442304.

It is not an unprimeable number, because it can be changed into a prime (22033442339) 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, 1350471 + ... + 1366688.

It is an arithmetic number, because the mean of its divisors is an integer number (1430584740).

Almost surely, 2^22033442331 is an apocalyptic number.

22033442331 is a deficient number, since it is larger than the sum of its proper divisors (12300591429).

22033442331 is a wasteful number, since it uses less digits than its factorization.

22033442331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717235 (or 2717232 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 22033442331 its reverse (13324433022), we get a palindrome (35357875353).

The spelling of 22033442331 in words is "twenty-two billion, thirty-three million, four hundred forty-two thousand, three hundred thirty-one".