22905022 has 16 divisors (see below), whose sum is σ = 39853440. Its totient is φ = 9669528.

The previous prime is 22905017. The next prime is 22905049. The reversal of 22905022 is 22050922.

It is a junction number, because it is equal to n+sod(n) for n = 22904984 and 22905002.

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 7 ways as a sum of consecutive naturals, for example, 11272 + ... + 13147.

It is an arithmetic number, because the mean of its divisors is an integer number (2490840).

Almost surely, 2^22905022 is an apocalyptic number.

22905022 is a deficient number, since it is larger than the sum of its proper divisors (16948418).

22905022 is a wasteful number, since it uses less digits than its factorization.

22905022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24495.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 22905022 is about 4785.9191384728. The cubic root of 22905022 is about 283.9947016799.

Adding to 22905022 its reverse (22050922), we get a palindrome (44955944).

The spelling of 22905022 in words is "twenty-two million, nine hundred five thousand, twenty-two".