22140573 has 16 divisors (see below), whose sum is σ = 36333696. Its totient is φ = 11678400.

The previous prime is 22140557. The next prime is 22140577. The reversal of 22140573 is 37504122.

It is not a de Polignac number, because 22140573 - 2⁴ = 22140557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140577) 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, 40278 + ... + 40823.

It is an arithmetic number, because the mean of its divisors is an integer number (2270856).

Almost surely, 2^22140573 is an apocalyptic number.

It is an amenable number.

22140573 is a deficient number, since it is larger than the sum of its proper divisors (14193123).

22140573 is a wasteful number, since it uses less digits than its factorization.

22140573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81124.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22140573 is about 4705.3770305896. The cubic root of 22140573 is about 280.7994710869.

Adding to 22140573 its reverse (37504122), we get a palindrome (59644695).

The spelling of 22140573 in words is "twenty-two million, one hundred forty thousand, five hundred seventy-three".