22522423 has 16 divisors (see below), whose sum is σ = 28191744. Its totient is φ = 17480160.

The previous prime is 22522363. The next prime is 22522427. The reversal of 22522423 is 32422522.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22522423 - 2¹³ = 22514231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22522394 and 22522403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522427) 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, 27861 + ... + 28657.

It is an arithmetic number, because the mean of its divisors is an integer number (1761984).

Almost surely, 2^22522423 is an apocalyptic number.

22522423 is a deficient number, since it is larger than the sum of its proper divisors (5669321).

22522423 is a wasteful number, since it uses less digits than its factorization.

22522423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182.

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

The square root of 22522423 is about 4745.7794934025. The cubic root of 22522423 is about 282.4045590875.

Adding to 22522423 its reverse (32422522), we get a palindrome (54944945).

Subtracting 22522423 from its reverse (32422522), we obtain a palindrome (9900099).

The spelling of 22522423 in words is "twenty-two million, five hundred twenty-two thousand, four hundred twenty-three".