22132156 has 6 divisors (see below), whose sum is σ = 38731280. Its totient is φ = 11066076.

The previous prime is 22132153. The next prime is 22132189. The reversal of 22132156 is 65123122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2766516 + ... + 2766523.

Almost surely, 2^22132156 is an apocalyptic number.

It is an amenable number.

22132156 is a deficient number, since it is larger than the sum of its proper divisors (16599124).

22132156 is a wasteful number, since it uses less digits than its factorization.

22132156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533043 (or 5533041 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 22132156 is about 4704.4825432772. The cubic root of 22132156 is about 280.7638834997.

Adding to 22132156 its reverse (65123122), we get a palindrome (87255278).

The spelling of 22132156 in words is "twenty-two million, one hundred thirty-two thousand, one hundred fifty-six".