22108356 has 24 divisors (see below), whose sum is σ = 57318240. Its totient is φ = 7369416.

The previous prime is 22108327. The next prime is 22108357. The reversal of 22108356 is 65380122.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22108357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102246 + ... + 102461.

It is an arithmetic number, because the mean of its divisors is an integer number (2388260).

Almost surely, 2^22108356 is an apocalyptic number.

It is an amenable number.

22108356 is an abundant number, since it is smaller than the sum of its proper divisors (35209884).

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

22108356 is a wasteful number, since it uses less digits than its factorization.

22108356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204720 (or 204712 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 22108356 is about 4701.9523604562. The cubic root of 22108356 is about 280.6632068025.

Adding to 22108356 its reverse (65380122), we get a palindrome (87488478).

It can be divided in two parts, 22 and 108356, that multiplied together give a palindrome (2383832).

The spelling of 22108356 in words is "twenty-two million, one hundred eight thousand, three hundred fifty-six".