10422840 has 32 divisors (see below), whose sum is σ = 31268880. Its totient is φ = 2779392.

The previous prime is 10422833. The next prime is 10422857. The reversal of 10422840 is 4822401.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43309 + ... + 43548.

Almost surely, 2^10422840 is an apocalyptic number.

10422840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10422840 is an abundant number, since it is smaller than the sum of its proper divisors (20846040).

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

10422840 is a wasteful number, since it uses less digits than its factorization.

10422840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86871 (or 86867 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 10422840 is about 3228.4423488735. The cubic root of 10422840 is about 218.4382508913.

The spelling of 10422840 in words is "ten million, four hundred twenty-two thousand, eight hundred forty".