22645373 has 4 divisors (see below), whose sum is σ = 22857120. Its totient is φ = 22433628.

The previous prime is 22645351. The next prime is 22645417. The reversal of 22645373 is 37354622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22645373 - 2¹² = 22641277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22645333) 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, 105713 + ... + 105926.

It is an arithmetic number, because the mean of its divisors is an integer number (5714280).

Almost surely, 2^22645373 is an apocalyptic number.

It is an amenable number.

22645373 is a deficient number, since it is larger than the sum of its proper divisors (211747).

22645373 is a wasteful number, since it uses less digits than its factorization.

22645373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211746.

The product of its digits is 30240, while the sum is 32.

The square root of 22645373 is about 4758.7154779415. The cubic root of 22645373 is about 282.9175093682.

Adding to 22645373 its reverse (37354622), we get a palindrome (59999995).

The spelling of 22645373 in words is "twenty-two million, six hundred forty-five thousand, three hundred seventy-three".