22000774 has 4 divisors (see below), whose sum is σ = 33001164. Its totient is φ = 11000386.

The previous prime is 22000757. The next prime is 22000787. The reversal of 22000774 is 47700022.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5500192 + ... + 5500195.

It is an arithmetic number, because the mean of its divisors is an integer number (8250291).

Almost surely, 2^22000774 is an apocalyptic number.

22000774 is a deficient number, since it is larger than the sum of its proper divisors (11000390).

22000774 is a wasteful number, since it uses less digits than its factorization.

22000774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000389.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 22000774 is about 4690.4982677750. The cubic root of 22000774 is about 280.2072190549.

Adding to 22000774 its reverse (47700022), we get a palindrome (69700796).

The spelling of 22000774 in words is "twenty-two million, seven hundred seventy-four", and thus it is an aban number.