22011406 has 16 divisors (see below), whose sum is σ = 34428240. Its totient is φ = 10541440.

The previous prime is 22011403. The next prime is 22011427. The reversal of 22011406 is 60411022.

It is a self number, because there is not a number n which added to its sum of digits gives 22011406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011403) 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, 6150 + ... + 9046.

It is an arithmetic number, because the mean of its divisors is an integer number (2151765).

Almost surely, 2^22011406 is an apocalyptic number.

22011406 is a deficient number, since it is larger than the sum of its proper divisors (12416834).

22011406 is a wasteful number, since it uses less digits than its factorization.

22011406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 22011406 is about 4691.6314859545. The cubic root of 22011406 is about 280.2523490336.

Adding to 22011406 its reverse (60411022), we get a palindrome (82422428).

The spelling of 22011406 in words is "twenty-two million, eleven thousand, four hundred six".