22721141406772 has 12 divisors (see below), whose sum is σ = 39852571491040. Its totient is φ = 11334692409336.

The previous prime is 22721141406731. The next prime is 22721141406827. The reversal of 22721141406772 is 27760414112722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6469571538 + ... + 6469575049.

Almost surely, 2^{22721141406772} is an apocalyptic number.

It is an amenable number.

22721141406772 is a deficient number, since it is larger than the sum of its proper divisors (17131430084268).

22721141406772 is a wasteful number, since it uses less digits than its factorization.

22721141406772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12939147030 (or 12939147028 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 22721141406772 in words is "twenty-two trillion, seven hundred twenty-one billion, one hundred forty-one million, four hundred six thousand, seven hundred seventy-two".