22396 has 12 divisors (see below), whose sum is σ = 42840. Its totient is φ = 10160.

The previous prime is 22391. The next prime is 22397. The reversal of 22396 is 69322.

22396 = T₅₅ + T₅₆ + ... + T₆₆.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211 + ... + 298.

It is an arithmetic number, because the mean of its divisors is an integer number (3570).

2²²³⁹⁶ is an apocalyptic number.

It is an amenable number.

22396 is a deficient number, since it is larger than the sum of its proper divisors (20444).

22396 is a wasteful number, since it uses less digits than its factorization.

22396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 522 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 22396 is about 149.6529318122. The cubic root of 22396 is about 28.1875169001.

The spelling of 22396 in words is "twenty-two thousand, three hundred ninety-six".