22425523 has 2 divisors, whose sum is σ = 22425524. Its totient is φ = 22425522.

The previous prime is 22425517. The next prime is 22425541. The reversal of 22425523 is 32552422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22425523 is a prime.

It is not a weakly prime, because it can be changed into another prime (22425553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11212761 + 11212762.

It is an arithmetic number, because the mean of its divisors is an integer number (11212762).

Almost surely, 2^22425523 is an apocalyptic number.

22425523 is a deficient number, since it is larger than the sum of its proper divisors (1).

22425523 is an equidigital number, since it uses as much as digits as its factorization.

22425523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 25.

The square root of 22425523 is about 4735.5594178513. The cubic root of 22425523 is about 281.9989730526.

Adding to 22425523 its reverse (32552422), we get a palindrome (54977945).

The spelling of 22425523 in words is "twenty-two million, four hundred twenty-five thousand, five hundred twenty-three".