22373 has 4 divisors (see below), whose sum is σ = 24108. Its totient is φ = 20640.

The previous prime is 22369. The next prime is 22381. The reversal of 22373 is 37322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37322 = 2 ⋅18661.

It can be written as a sum of positive squares in 2 ways, for example, as 9604 + 12769 = 98^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 22373 - 2² = 22369 is a prime.

It is a super-2 number, since 2×22373² = 1001102258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁹ + 2¹¹ + 3⁴ + 7² + 3⁹ .

It is a Duffinian number.

It is a plaindrome in base 11.

It is a nialpdrome in base 14.

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 3 ways as a sum of consecutive naturals, for example, 848 + ... + 873.

It is an arithmetic number, because the mean of its divisors is an integer number (6027).

2²²³⁷³ is an apocalyptic number.

It is an amenable number.

22373 is a deficient number, since it is larger than the sum of its proper divisors (1735).

22373 is a wasteful number, since it uses less digits than its factorization.

22373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734.

The product of its digits is 252, while the sum is 17.

The square root of 22373 is about 149.5760676044. The cubic root of 22373 is about 28.1778643588.

Adding to 22373 its reverse (37322), we get a palindrome (59695).

The spelling of 22373 in words is "twenty-two thousand, three hundred seventy-three", and thus it is an iban number.