22044523 has 2 divisors, whose sum is σ = 22044524. Its totient is φ = 22044522.

The previous prime is 22044493. The next prime is 22044569. The reversal of 22044523 is 32544022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22044523 - 2¹³ = 22036331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22044494 and 22044503.

It is not a weakly prime, because it can be changed into another prime (22014523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11022261 + 11022262.

It is an arithmetic number, because the mean of its divisors is an integer number (11022262).

Almost surely, 2^22044523 is an apocalyptic number.

22044523 is a deficient number, since it is larger than the sum of its proper divisors (1).

22044523 is an equidigital number, since it uses as much as digits as its factorization.

22044523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 22044523 is about 4695.1595287061. The cubic root of 22044523 is about 280.3928287214.

Adding to 22044523 its reverse (32544022), we get a palindrome (54588545).

The spelling of 22044523 in words is "twenty-two million, forty-four thousand, five hundred twenty-three".