22425426 has 24 divisors (see below), whose sum is σ = 48943440. Its totient is φ = 7420536.

The previous prime is 22425383. The next prime is 22425427. The reversal of 22425426 is 62452422.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22425426.

It is not an unprimeable number, because it can be changed into a prime (22425427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1980 + ... + 6983.

It is an arithmetic number, because the mean of its divisors is an integer number (2039310).

Almost surely, 2^22425426 is an apocalyptic number.

22425426 is an abundant number, since it is smaller than the sum of its proper divisors (26518014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22425426 is a wasteful number, since it uses less digits than its factorization.

22425426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110 (or 9107 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 22425426 is about 4735.5491761780. The cubic root of 22425426 is about 281.9985664632.

Adding to 22425426 its reverse (62452422), we get a palindrome (84877848).

The spelling of 22425426 in words is "twenty-two million, four hundred twenty-five thousand, four hundred twenty-six".