22228838 has 8 divisors (see below), whose sum is σ = 34052832. Its totient is φ = 10877896.

The previous prime is 22228837. The next prime is 22228853. The reversal of 22228838 is 83882222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22228798 and 22228807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22228831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118145 + ... + 118332.

It is an arithmetic number, because the mean of its divisors is an integer number (4256604).

Almost surely, 2^22228838 is an apocalyptic number.

22228838 is a deficient number, since it is larger than the sum of its proper divisors (11823994).

22228838 is a wasteful number, since it uses less digits than its factorization.

22228838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236526.

The product of its digits is 24576, while the sum is 35.

The square root of 22228838 is about 4714.7468648911. The cubic root of 22228838 is about 281.1721188144.

The spelling of 22228838 in words is "twenty-two million, two hundred twenty-eight thousand, eight hundred thirty-eight".