22256431606 has 16 divisors (see below), whose sum is σ = 34118102016. Its totient is φ = 10884052456.

The previous prime is 22256431591. The next prime is 22256431651. The reversal of 22256431606 is 60613465222.

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, 60165 + ... + 219391.

It is an arithmetic number, because the mean of its divisors is an integer number (2132381376).

Almost surely, 2^22256431606 is an apocalyptic number.

22256431606 is a deficient number, since it is larger than the sum of its proper divisors (11861670410).

22256431606 is a wasteful number, since it uses less digits than its factorization.

22256431606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160763.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 22256431606 its reverse (60613465222), we get a palindrome (82869896828).

The spelling of 22256431606 in words is "twenty-two billion, two hundred fifty-six million, four hundred thirty-one thousand, six hundred six".