10640022 has 8 divisors (see below), whose sum is σ = 21280056. Its totient is φ = 3546672.

The previous prime is 10640009. The next prime is 10640023. The reversal of 10640022 is 22004601.

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

10640022 is an admirable number.

It is a super-2 number, since 2×10640022² = 226420136320968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10639983 and 10640010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886663 + ... + 886674.

It is an arithmetic number, because the mean of its divisors is an integer number (2660007).

Almost surely, 2^10640022 is an apocalyptic number.

10640022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10640022 is a wasteful number, since it uses less digits than its factorization.

10640022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773342.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 10640022 is about 3261.9046583246. The cubic root of 10640022 is about 219.9450413682.

Adding to 10640022 its reverse (22004601), we get a palindrome (32644623).

The spelling of 10640022 in words is "ten million, six hundred forty thousand, twenty-two".