22032213 has 24 divisors (see below), whose sum is σ = 34697952. Its totient is φ = 12396384.

The previous prime is 22032169. The next prime is 22032233. The reversal of 22032213 is 31223022.

It is not a de Polignac number, because 22032213 - 2⁶ = 22032149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22032192 and 22032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22032233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8731 + ... + 10967.

It is an arithmetic number, because the mean of its divisors is an integer number (1445748).

Almost surely, 2^22032213 is an apocalyptic number.

It is an amenable number.

22032213 is a deficient number, since it is larger than the sum of its proper divisors (12665739).

22032213 is a wasteful number, since it uses less digits than its factorization.

22032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2314 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22032213 is about 4693.8484210720. The cubic root of 22032213 is about 280.3406271171.

Adding to 22032213 its reverse (31223022), we get a palindrome (53255235).

The spelling of 22032213 in words is "twenty-two million, thirty-two thousand, two hundred thirteen".