22010199966 has 24 divisors (see below), whose sum is σ = 48180407184. Its totient is φ = 7261096320.

The previous prime is 22010199961. The next prime is 22010199973. The reversal of 22010199966 is 66999101022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010199961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6301290 + ... + 6304781.

It is an arithmetic number, because the mean of its divisors is an integer number (2007516966).

Almost surely, 2^22010199966 is an apocalyptic number.

22010199966 is an abundant number, since it is smaller than the sum of its proper divisors (26170207218).

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

22010199966 is a wasteful number, since it uses less digits than its factorization.

22010199966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12606176 (or 12606173 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 22010199966 in words is "twenty-two billion, ten million, one hundred ninety-nine thousand, nine hundred sixty-six".