22331032 has 8 divisors (see below), whose sum is σ = 41870700. Its totient is φ = 11165512.

The previous prime is 22331027. The next prime is 22331039. The reversal of 22331032 is 23013322.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22330997 and 22331015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331039) 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, 1395682 + ... + 1395697.

Almost surely, 2^22331032 is an apocalyptic number.

It is an amenable number.

22331032 is a deficient number, since it is larger than the sum of its proper divisors (19539668).

22331032 is a wasteful number, since it uses less digits than its factorization.

22331032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791385 (or 2791381 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 22331032 is about 4725.5721346732. The cubic root of 22331032 is about 281.6023434615.

Adding to 22331032 its reverse (23013322), we get a palindrome (45344354).

The spelling of 22331032 in words is "twenty-two million, three hundred thirty-one thousand, thirty-two".