22426424 has 8 divisors (see below), whose sum is σ = 42049560. Its totient is φ = 11213208.

The previous prime is 22426421. The next prime is 22426457. The reversal of 22426424 is 42462422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22426393 and 22426402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22426421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401644 + ... + 1401659.

It is an arithmetic number, because the mean of its divisors is an integer number (5256195).

Almost surely, 2^22426424 is an apocalyptic number.

It is an amenable number.

22426424 is a deficient number, since it is larger than the sum of its proper divisors (19623136).

22426424 is a wasteful number, since it uses less digits than its factorization.

22426424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803309 (or 2803305 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 22426424 is about 4735.6545482119. The cubic root of 22426424 is about 282.0027496672.

Adding to 22426424 its reverse (42462422), we get a palindrome (64888846).

The spelling of 22426424 in words is "twenty-two million, four hundred twenty-six thousand, four hundred twenty-four".