22162806 has 12 divisors (see below), whose sum is σ = 48019452. Its totient is φ = 7387596.

The previous prime is 22162771. The next prime is 22162817. The reversal of 22162806 is 60826122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22162806.

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 in 5 ways as a sum of consecutive naturals, for example, 615616 + ... + 615651.

It is an arithmetic number, because the mean of its divisors is an integer number (4001621).

Almost surely, 2^22162806 is an apocalyptic number.

22162806 is an abundant number, since it is smaller than the sum of its proper divisors (25856646).

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

22162806 is a wasteful number, since it uses less digits than its factorization.

22162806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231275 (or 1231272 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22162806 is about 4707.7389477328. The cubic root of 22162806 is about 280.8934302046.

Adding to 22162806 its reverse (60826122), we get a palindrome (82988928).

The spelling of 22162806 in words is "twenty-two million, one hundred sixty-two thousand, eight hundred six".