22106686 has 16 divisors (see below), whose sum is σ = 38922336. Its totient is φ = 9218016.

The previous prime is 22106677. The next prime is 22106713. The reversal of 22106686 is 68660122.

22106686 is nontrivially palindromic in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20821 + ... + 21856.

It is an arithmetic number, because the mean of its divisors is an integer number (2432646).

Almost surely, 2^22106686 is an apocalyptic number.

22106686 is a deficient number, since it is larger than the sum of its proper divisors (16815650).

22106686 is a wasteful number, since it uses less digits than its factorization.

22106686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42723.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 22106686 is about 4701.7747712965. The cubic root of 22106686 is about 280.6561398010.

The spelling of 22106686 in words is "twenty-two million, one hundred six thousand, six hundred eighty-six".