22221160634406 has 16 divisors (see below), whose sum is σ = 45643465087344. Its totient is φ = 7206862908384.

The previous prime is 22221160634357. The next prime is 22221160634419. The reversal of 22221160634406 is 60443606112222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50047658865 + ... + 50047659308.

It is an arithmetic number, because the mean of its divisors is an integer number (2852716567959).

Almost surely, 2^{22221160634406} is an apocalyptic number.

22221160634406 is an abundant number, since it is smaller than the sum of its proper divisors (23422304452938).

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

22221160634406 is a wasteful number, since it uses less digits than its factorization.

22221160634406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100095318215.

The product of its (nonzero) digits is 165888, while the sum is 39.

Adding to 22221160634406 its reverse (60443606112222), we get a palindrome (82664766746628).

The spelling of 22221160634406 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred sixty million, six hundred thirty-four thousand, four hundred six".