22286838 has 32 divisors (see below), whose sum is σ = 51782400. Its totient is φ = 6262560.

The previous prime is 22286833. The next prime is 22286863. The reversal of 22286838 is 83868222.

It is a junction number, because it is equal to n+sod(n) for n = 22286796 and 22286805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22286833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1788 + ... + 6911.

It is an arithmetic number, because the mean of its divisors is an integer number (1618200).

Almost surely, 2^22286838 is an apocalyptic number.

22286838 is an abundant number, since it is smaller than the sum of its proper divisors (29495562).

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

22286838 is a wasteful number, since it uses less digits than its factorization.

22286838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772.

The product of its digits is 73728, while the sum is 39.

The square root of 22286838 is about 4720.8937713107. The cubic root of 22286838 is about 281.4164533690.

The spelling of 22286838 in words is "twenty-two million, two hundred eighty-six thousand, eight hundred thirty-eight".