10722681 has 6 divisors (see below), whose sum is σ = 15488330. Its totient is φ = 7148448.

The previous prime is 10722667. The next prime is 10722697. The reversal of 10722681 is 18622701.

It can be written as a sum of positive squares in only one way, i.e., 6350400 + 4372281 = 2520^2 + 2091^2 .

It is not a de Polignac number, because 10722681 - 2⁷ = 10722553 is a prime.

It is a super-2 number, since 2×10722681² = 229951775655522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10722281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 595696 + ... + 595713.

Almost surely, 2^10722681 is an apocalyptic number.

It is an amenable number.

10722681 is a deficient number, since it is larger than the sum of its proper divisors (4765649).

10722681 is a wasteful number, since it uses less digits than its factorization.

10722681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191415 (or 1191412 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 10722681 is about 3274.5505035043. The cubic root of 10722681 is about 220.5131341768.

The spelling of 10722681 in words is "ten million, seven hundred twenty-two thousand, six hundred eighty-one".