22302 has 32 divisors (see below), whose sum is σ = 57600. Its totient is φ = 6264.

The previous prime is 22291. The next prime is 22303. The reversal of 22302 is 20322.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349 + ... + 407.

It is an arithmetic number, because the mean of its divisors is an integer number (1800).

2²²³⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28800).

22302 is an abundant number, since it is smaller than the sum of its proper divisors (35298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22302 is a wasteful number, since it uses less digits than its factorization.

22302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 22302 is about 149.3385415758. The cubic root of 22302 is about 28.1480255885.

Adding to 22302 its reverse (20322), we get a palindrome (42624).

It can be divided in two parts, 22 and 302, that added together give a square (324 = 18²).

The spelling of 22302 in words is "twenty-two thousand, three hundred two", and thus it is an iban number.