10422581 has 8 divisors (see below), whose sum is σ = 11884824. Its totient is φ = 9054720.

The previous prime is 10422557. The next prime is 10422589. The reversal of 10422581 is 18522401.

10422581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 240100 + 10182481 = 490^2 + 3191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10422581 - 2¹⁴ = 10406197 is a prime.

It is a super-2 number, since 2×10422581² = 217260389403122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10422589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23360 + ... + 23801.

It is an arithmetic number, because the mean of its divisors is an integer number (1485603).

Almost surely, 2^10422581 is an apocalyptic number.

It is an amenable number.

10422581 is a deficient number, since it is larger than the sum of its proper divisors (1462243).

10422581 is a wasteful number, since it uses less digits than its factorization.

10422581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47191.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 10422581 is about 3228.4022364012. The cubic root of 10422581 is about 218.4364415324.

Adding to 10422581 its reverse (18522401), we get a palindrome (28944982).

The spelling of 10422581 in words is "ten million, four hundred twenty-two thousand, five hundred eighty-one".