22288838 has 16 divisors (see below), whose sum is σ = 39278736. Its totient is φ = 9351840.

The previous prime is 22288831. The next prime is 22288859. The reversal of 22288838 is 83888222.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22288795 and 22288804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22288831) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38681 + ... + 39252.

It is an arithmetic number, because the mean of its divisors is an integer number (2454921).

Almost surely, 2^22288838 is an apocalyptic number.

22288838 is a deficient number, since it is larger than the sum of its proper divisors (16989898).

22288838 is a wasteful number, since it uses less digits than its factorization.

22288838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77959.

The product of its digits is 98304, while the sum is 41.

The square root of 22288838 is about 4721.1055908548. The cubic root of 22288838 is about 281.4248711337.

The spelling of 22288838 in words is "twenty-two million, two hundred eighty-eight thousand, eight hundred thirty-eight".