22151329806 has 32 divisors (see below), whose sum is σ = 45757725696. Its totient is φ = 7141536000.

The previous prime is 22151329789. The next prime is 22151329829. The reversal of 22151329806 is 60892315122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303966 + ... + 369726.

It is an arithmetic number, because the mean of its divisors is an integer number (1429928928).

Almost surely, 2^22151329806 is an apocalyptic number.

22151329806 is an abundant number, since it is smaller than the sum of its proper divisors (23606395890).

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

22151329806 is a wasteful number, since it uses less digits than its factorization.

22151329806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67608.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 22151329806 in words is "twenty-two billion, one hundred fifty-one million, three hundred twenty-nine thousand, eight hundred six".