10021422 has 32 divisors (see below), whose sum is σ = 21150720. Its totient is φ = 3159200.

The previous prime is 10021411. The next prime is 10021423. The reversal of 10021422 is 22412001.

10021422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10021398 and 10021407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13579 + ... + 14297.

It is an arithmetic number, because the mean of its divisors is an integer number (660960).

Almost surely, 2^10021422 is an apocalyptic number.

10021422 is an abundant number, since it is smaller than the sum of its proper divisors (11129298).

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

10021422 is a wasteful number, since it uses less digits than its factorization.

10021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 10021422 is about 3165.6629637408. The cubic root of 10021422 is about 215.5972002808.

Adding to 10021422 its reverse (22412001), we get a palindrome (32433423).

The spelling of 10021422 in words is "ten million, twenty-one thousand, four hundred twenty-two".