27221722012 has 12 divisors (see below), whose sum is σ = 47781937336. Its totient is φ = 13569739920.

The previous prime is 27221722007. The next prime is 27221722043. The reversal of 27221722012 is 21022712272.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 10278783 + ... + 10281430.

Almost surely, 2^27221722012 is an apocalyptic number.

It is an amenable number.

27221722012 is a deficient number, since it is larger than the sum of its proper divisors (20560215324).

27221722012 is a wasteful number, since it uses less digits than its factorization.

27221722012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20560548 (or 20560546 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The spelling of 27221722012 in words is "twenty-seven billion, two hundred twenty-one million, seven hundred twenty-two thousand, twelve".