22040332432 has 10 divisors (see below), whose sum is σ = 42703144118. Its totient is φ = 11020166208.

The previous prime is 22040332411. The next prime is 22040332439. The reversal of 22040332432 is 23423304022.

It can be written as a sum of positive squares in only one way, i.e., 14914271376 + 7126061056 = 122124^2 + 84416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22040332397 and 22040332406.

It is not an unprimeable number, because it can be changed into a prime (22040332439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688760373 + ... + 688760404.

Almost surely, 2^22040332432 is an apocalyptic number.

It is an amenable number.

22040332432 is a deficient number, since it is larger than the sum of its proper divisors (20662811686).

22040332432 is a wasteful number, since it uses less digits than its factorization.

22040332432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377520785 (or 1377520779 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 22040332432 its reverse (23423304022), we get a palindrome (45463636454).

The spelling of 22040332432 in words is "twenty-two billion, forty million, three hundred thirty-two thousand, four hundred thirty-two".