22443532 has 12 divisors (see below), whose sum is σ = 39749976. Its totient is φ = 11086400.

The previous prime is 22443529. The next prime is 22443559. The reversal of 22443532 is 23534422.

It is a junction number, because it is equal to n+sod(n) for n = 22443497 and 22443506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33469 + ... + 34132.

It is an arithmetic number, because the mean of its divisors is an integer number (3312498).

Almost surely, 2^22443532 is an apocalyptic number.

It is an amenable number.

22443532 is a deficient number, since it is larger than the sum of its proper divisors (17306444).

22443532 is a wasteful number, since it uses less digits than its factorization.

22443532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67688 (or 67686 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 22443532 is about 4737.4605011546. The cubic root of 22443532 is about 282.0744400501.

Adding to 22443532 its reverse (23534422), we get a palindrome (45977954).

It can be divided in two parts, 2244 and 3532, that added together give a square (5776 = 76²).

The spelling of 22443532 in words is "twenty-two million, four hundred forty-three thousand, five hundred thirty-two".