22340273 has 4 divisors (see below), whose sum is σ = 22436388. Its totient is φ = 22244160.

The previous prime is 22340251. The next prime is 22340309. The reversal of 22340273 is 37204322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14876449 + 7463824 = 3857^2 + 2732^2 .

It is a cyclic number.

It is not a de Polignac number, because 22340273 - 2¹⁰ = 22339249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22346273) 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, 47708 + ... + 48173.

It is an arithmetic number, because the mean of its divisors is an integer number (5609097).

Almost surely, 2^22340273 is an apocalyptic number.

It is an amenable number.

22340273 is a deficient number, since it is larger than the sum of its proper divisors (96115).

22340273 is an equidigital number, since it uses as much as digits as its factorization.

22340273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96114.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 22340273 is about 4726.5497987433. The cubic root of 22340273 is about 281.6411822155.

Adding to 22340273 its reverse (37204322), we get a palindrome (59544595).

The spelling of 22340273 in words is "twenty-two million, three hundred forty thousand, two hundred seventy-three".