22106286 has 48 divisors (see below), whose sum is σ = 49944960. Its totient is φ = 7058880.

The previous prime is 22106281. The next prime is 22106327. The reversal of 22106286 is 68260122.

22106286 is a `hidden beast` number, since 22 + 10 + 628 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22106281) 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 23 ways as a sum of consecutive naturals, for example, 96420 + ... + 96648.

It is an arithmetic number, because the mean of its divisors is an integer number (1040520).

Almost surely, 2^22106286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22106286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24972480).

22106286 is an abundant number, since it is smaller than the sum of its proper divisors (27838674).

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

22106286 is a wasteful number, since it uses less digits than its factorization.

22106286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22106286 is about 4701.7322339750. The cubic root of 22106286 is about 280.6544470532.

The spelling of 22106286 in words is "twenty-two million, one hundred six thousand, two hundred eighty-six".