10221745272 has 32 divisors (see below), whose sum is σ = 25569145680. Its totient is φ = 3405277440.

The previous prime is 10221745243. The next prime is 10221745367. The reversal of 10221745272 is 27254712201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80533 + ... + 164100.

Almost surely, 2^10221745272 is an apocalyptic number.

10221745272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10221745272 is an abundant number, since it is smaller than the sum of its proper divisors (15347400408).

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

10221745272 is a wasteful number, since it uses less digits than its factorization.

10221745272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246383 (or 246379 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The spelling of 10221745272 in words is "ten billion, two hundred twenty-one million, seven hundred forty-five thousand, two hundred seventy-two".