22223826 has 12 divisors (see below), whose sum is σ = 48151662. Its totient is φ = 7407936.

The previous prime is 22223813. The next prime is 22223837. The reversal of 22223826 is 62832222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16818201 + 5405625 = 4101^2 + 2325^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22223826.

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, 617311 + ... + 617346.

Almost surely, 2^22223826 is an apocalyptic number.

22223826 is an abundant number, since it is smaller than the sum of its proper divisors (25927836).

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

22223826 is a wasteful number, since it uses less digits than its factorization.

22223826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234665 (or 1234662 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 22223826 is about 4714.2153111626. The cubic root of 22223826 is about 281.1509849974.

The spelling of 22223826 in words is "twenty-two million, two hundred twenty-three thousand, eight hundred twenty-six".