22201406 has 16 divisors (see below), whose sum is σ = 34596720. Its totient is φ = 10676160.

The previous prime is 22201393. The next prime is 22201409. The reversal of 22201406 is 60410222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201409) 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, 4901 + ... + 8271.

It is an arithmetic number, because the mean of its divisors is an integer number (2162295).

Almost surely, 2^22201406 is an apocalyptic number.

22201406 is a deficient number, since it is larger than the sum of its proper divisors (12395314).

22201406 is a wasteful number, since it uses less digits than its factorization.

22201406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 22201406 is about 4711.8367968341. The cubic root of 22201406 is about 281.0564089336.

Adding to 22201406 its reverse (60410222), we get a palindrome (82611628).

The spelling of 22201406 in words is "twenty-two million, two hundred one thousand, four hundred six".