22473 has 12 divisors (see below), whose sum is σ = 35568. Its totient is φ = 13560.

The previous prime is 22469. The next prime is 22481. The reversal of 22473 is 37422.

It is a happy number.

It is not a de Polignac number, because 22473 - 2² = 22469 is a prime.

22473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (22433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15 + ... + 212.

It is an arithmetic number, because the mean of its divisors is an integer number (2964).

2²²⁴⁷³ is an apocalyptic number.

It is an amenable number.

22473 is a deficient number, since it is larger than the sum of its proper divisors (13095).

22473 is a wasteful number, since it uses less digits than its factorization.

22473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 241 counting only the distinct ones).

The product of its digits is 336, while the sum is 18.

The square root of 22473 is about 149.9099729838. The cubic root of 22473 is about 28.2197839141.

Adding to 22473 its reverse (37422), we get a palindrome (59895).

The spelling of 22473 in words is "twenty-two thousand, four hundred seventy-three", and thus it is an iban number.