22084723 has 4 divisors (see below), whose sum is σ = 22350888. Its totient is φ = 21818560.

The previous prime is 22084639. The next prime is 22084753. The reversal of 22084723 is 32748022.

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

It is a cyclic number.

It is not a de Polignac number, because 22084723 - 2²¹ = 19987571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22084691 and 22084700.

It is not an unprimeable number, because it can be changed into a prime (22084753) 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, 132958 + ... + 133123.

It is an arithmetic number, because the mean of its divisors is an integer number (5587722).

Almost surely, 2^22084723 is an apocalyptic number.

22084723 is a deficient number, since it is larger than the sum of its proper divisors (266165).

22084723 is an equidigital number, since it uses as much as digits as its factorization.

22084723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266164.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 22084723 is about 4699.4385834906. The cubic root of 22084723 is about 280.5631650142.

The spelling of 22084723 in words is "twenty-two million, eighty-four thousand, seven hundred twenty-three".