22022845 has 16 divisors (see below), whose sum is σ = 29699712. Its totient is φ = 15554880.

The previous prime is 22022839. The next prime is 22022879. The reversal of 22022845 is 54822022.

It is not a de Polignac number, because 22022845 - 2⁷ = 22022717 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5871 + ... + 8860.

It is an arithmetic number, because the mean of its divisors is an integer number (1856232).

Almost surely, 2^22022845 is an apocalyptic number.

It is an amenable number.

22022845 is a deficient number, since it is larger than the sum of its proper divisors (7676867).

22022845 is a wasteful number, since it uses less digits than its factorization.

22022845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14772.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 22022845 is about 4692.8504131285. The cubic root of 22022845 is about 280.3008882840.

Adding to 22022845 its reverse (54822022), we get a palindrome (76844867).

The spelling of 22022845 in words is "twenty-two million, twenty-two thousand, eight hundred forty-five".