22506436206 has 48 divisors (see below), whose sum is σ = 51948973440. Its totient is φ = 7021656720.

The previous prime is 22506436177. The next prime is 22506436219. The reversal of 22506436206 is 60263460522.

22506436206 is a `hidden beast` number, since 2 + 2 + 5 + 0 + 643 + 6 + 2 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368050 + ... + 424821.

It is an arithmetic number, because the mean of its divisors is an integer number (1082270280).

Almost surely, 2^22506436206 is an apocalyptic number.

22506436206 is an abundant number, since it is smaller than the sum of its proper divisors (29442537234).

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

22506436206 is a wasteful number, since it uses less digits than its factorization.

22506436206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792981 (or 792978 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 22506436206 its reverse (60263460522), we get a palindrome (82769896728).

The spelling of 22506436206 in words is "twenty-two billion, five hundred six million, four hundred thirty-six thousand, two hundred six".