22065426 has 32 divisors (see below), whose sum is σ = 49204800. Its totient is φ = 7329600.

The previous prime is 22065389. The next prime is 22065443. The reversal of 22065426 is 62456022.

22065426 is a `hidden beast` number, since 2 + 2 + 0 + 654 + 2 + 6 = 666.

It is a super-2 number, since 2×22065426² = 973766049122952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 22065426.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21145 + ... + 22163.

It is an arithmetic number, because the mean of its divisors is an integer number (1537650).

Almost surely, 2^22065426 is an apocalyptic number.

22065426 is an abundant number, since it is smaller than the sum of its proper divisors (27139374).

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

22065426 is a wasteful number, since it uses less digits than its factorization.

22065426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1425 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 22065426 is about 4697.3850172197. The cubic root of 22065426 is about 280.4814251762.

The spelling of 22065426 in words is "twenty-two million, sixty-five thousand, four hundred twenty-six".