22059723 has 16 divisors (see below), whose sum is σ = 34042880. Its totient is φ = 12445056.

The previous prime is 22059721. The next prime is 22059743. The reversal of 22059723 is 32795022.

It is a happy number.

It is not a de Polignac number, because 22059723 - 2¹ = 22059721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22059721) 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, 4990 + ... + 8307.

It is an arithmetic number, because the mean of its divisors is an integer number (2127680).

Almost surely, 2^22059723 is an apocalyptic number.

22059723 is a deficient number, since it is larger than the sum of its proper divisors (11983157).

22059723 is a wasteful number, since it uses less digits than its factorization.

22059723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13386.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 22059723 is about 4696.7779381189. Note that the first 3 decimals coincide. The cubic root of 22059723 is about 280.4572588115.

The spelling of 22059723 in words is "twenty-two million, fifty-nine thousand, seven hundred twenty-three".