22906086 has 64 divisors (see below), whose sum is σ = 55013376. Its totient is φ = 6220800.

The previous prime is 22906073. The next prime is 22906087. The reversal of 22906086 is 68060922.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22906087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94926 + ... + 95166.

It is an arithmetic number, because the mean of its divisors is an integer number (859584).

Almost surely, 2^22906086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22906086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27506688).

22906086 is an abundant number, since it is smaller than the sum of its proper divisors (32107290).

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

22906086 is a wasteful number, since it uses less digits than its factorization.

22906086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 22906086 is about 4786.0302966028. The cubic root of 22906086 is about 283.9990990516. Note that the first 3 decimals are identical.

The spelling of 22906086 in words is "twenty-two million, nine hundred six thousand, eighty-six".