22431332033 has 16 divisors (see below), whose sum is σ = 25033430400. Its totient is φ = 19928177280.

The previous prime is 22431332009. The next prime is 22431332041. The reversal of 22431332033 is 33023313422.

It is not a de Polignac number, because 22431332033 - 2²² = 22427137729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22431331993 and 22431332011.

It is not an unprimeable number, because it can be changed into a prime (22431332083) 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, 40613 + ... + 215666.

It is an arithmetic number, because the mean of its divisors is an integer number (1564589400).

Almost surely, 2^22431332033 is an apocalyptic number.

It is an amenable number.

22431332033 is a deficient number, since it is larger than the sum of its proper divisors (2602098367).

22431332033 is a wasteful number, since it uses less digits than its factorization.

22431332033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256472.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 22431332033 its reverse (33023313422), we get a palindrome (55454645455).

The spelling of 22431332033 in words is "twenty-two billion, four hundred thirty-one million, three hundred thirty-two thousand, thirty-three".