22224532 has 24 divisors (see below), whose sum is σ = 44275392. Its totient is φ = 9662400.

The previous prime is 22224497. The next prime is 22224539. The reversal of 22224532 is 23542222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9969 + ... + 11992.

It is an arithmetic number, because the mean of its divisors is an integer number (1844808).

Almost surely, 2^22224532 is an apocalyptic number.

22224532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22224532 is a deficient number, since it is larger than the sum of its proper divisors (22050860).

22224532 is a wasteful number, since it uses less digits than its factorization.

22224532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21999 (or 21997 counting only the distinct ones).

The product of its digits is 1920, while the sum is 22.

The square root of 22224532 is about 4714.2901904741. The cubic root of 22224532 is about 281.1539621399.

Adding to 22224532 its reverse (23542222), we get a palindrome (45766754).

The spelling of 22224532 in words is "twenty-two million, two hundred twenty-four thousand, five hundred thirty-two".