22066744672 has 36 divisors (see below), whose sum is σ = 50536789380. Its totient is φ = 9457175616.

The previous prime is 22066744657. The next prime is 22066744681. The reversal of 22066744672 is 27644766022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7035022 + ... + 7038157.

It is an arithmetic number, because the mean of its divisors is an integer number (1403799705).

Almost surely, 2^22066744672 is an apocalyptic number.

It is an amenable number.

22066744672 is an abundant number, since it is smaller than the sum of its proper divisors (28470044708).

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

22066744672 is a wasteful number, since it uses less digits than its factorization.

22066744672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14073203 (or 14073188 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 46.

The spelling of 22066744672 in words is "twenty-two billion, sixty-six million, seven hundred forty-four thousand, six hundred seventy-two".