22422523 has 2 divisors, whose sum is σ = 22422524. Its totient is φ = 22422522.

The previous prime is 22422511. The next prime is 22422529. The reversal of 22422523 is 32522422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22422523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22422494 and 22422503.

It is not a weakly prime, because it can be changed into another prime (22422529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211261 + 11211262.

It is an arithmetic number, because the mean of its divisors is an integer number (11211262).

Almost surely, 2^22422523 is an apocalyptic number.

22422523 is a deficient number, since it is larger than the sum of its proper divisors (1).

22422523 is an equidigital number, since it uses as much as digits as its factorization.

22422523 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22422523 is about 4735.2426548172. The cubic root of 22422523 is about 281.9863975801.

Adding to 22422523 its reverse (32522422), we get a palindrome (54944945).

It can be divided in two parts, 2242 and 2523, that multiplied together give a triangular number (5656566 = T₃₃₆₃).

The spelling of 22422523 in words is "twenty-two million, four hundred twenty-two thousand, five hundred twenty-three".