22155202006 has 32 divisors (see below), whose sum is σ = 38759688000. Its totient is φ = 9302211072.

The previous prime is 22155201989. The next prime is 22155202031. The reversal of 22155202006 is 60020255122.

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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54250 + ... + 217378.

It is an arithmetic number, because the mean of its divisors is an integer number (1211240250).

Almost surely, 2^22155202006 is an apocalyptic number.

22155202006 is a deficient number, since it is larger than the sum of its proper divisors (16604485994).

22155202006 is a wasteful number, since it uses less digits than its factorization.

22155202006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163336.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 22155202006 its reverse (60020255122), we get a palindrome (82175457128).

The spelling of 22155202006 in words is "twenty-two billion, one hundred fifty-five million, two hundred two thousand, six".