22712426 has 24 divisors (see below), whose sum is σ = 37793280. Its totient is φ = 10228680.

The previous prime is 22712419. The next prime is 22712441. The reversal of 22712426 is 62421722.

It is a junction number, because it is equal to n+sod(n) for n = 22712395 and 22712404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30365 + ... + 31103.

It is an arithmetic number, because the mean of its divisors is an integer number (1574720).

Almost surely, 2^22712426 is an apocalyptic number.

22712426 is a deficient number, since it is larger than the sum of its proper divisors (15080854).

22712426 is a wasteful number, since it uses less digits than its factorization.

22712426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 879 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 22712426 is about 4765.7555539494. The cubic root of 22712426 is about 283.1964740030.

The spelling of 22712426 in words is "twenty-two million, seven hundred twelve thousand, four hundred twenty-six".