10042220 has 24 divisors (see below), whose sum is σ = 21580944. Its totient is φ = 3923136.

The previous prime is 10042199. The next prime is 10042289. The reversal of 10042220 is 2224001.

It is a super-3 number, since 3×10042220³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4979 + ... + 6698.

It is an arithmetic number, because the mean of its divisors is an integer number (899206).

Almost surely, 2^10042220 is an apocalyptic number.

10042220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10042220 is an abundant number, since it is smaller than the sum of its proper divisors (11538724).

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

10042220 is a wasteful number, since it uses less digits than its factorization.

10042220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11729 (or 11727 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 10042220 is about 3168.9461970819. The cubic root of 10042220 is about 215.7462440721.

Adding to 10042220 its reverse (2224001), we get a palindrome (12266221).

The spelling of 10042220 in words is "ten million, forty-two thousand, two hundred twenty".