22400206 has 16 divisors (see below), whose sum is σ = 35489664. Its totient is φ = 10582264.

The previous prime is 22400173. The next prime is 22400219. The reversal of 22400206 is 60200422.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 22400206.

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, 885 + ... + 6751.

It is an arithmetic number, because the mean of its divisors is an integer number (2218104).

Almost surely, 2^22400206 is an apocalyptic number.

22400206 is a deficient number, since it is larger than the sum of its proper divisors (13089458).

22400206 is a wasteful number, since it uses less digits than its factorization.

22400206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22400206 is about 4732.8855891517. The cubic root of 22400206 is about 281.8928134130.

Adding to 22400206 its reverse (60200422), we get a palindrome (82600628).

The spelling of 22400206 in words is "twenty-two million, four hundred thousand, two hundred six".