10022421 has 8 divisors (see below), whose sum is σ = 13647744. Its totient is φ = 6539360.

The previous prime is 10022399. The next prime is 10022437. The reversal of 10022421 is 12422001.

10022421 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 10022421 - 2⁶ = 10022357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10022397 and 10022406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022471) 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, 35400 + ... + 35681.

It is an arithmetic number, because the mean of its divisors is an integer number (1705968).

Almost surely, 2^10022421 is an apocalyptic number.

It is an amenable number.

10022421 is a deficient number, since it is larger than the sum of its proper divisors (3625323).

10022421 is an equidigital number, since it uses as much as digits as its factorization.

10022421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71131.

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

The square root of 10022421 is about 3165.8207466627. The cubic root of 10022421 is about 215.6043640827.

Adding to 10022421 its reverse (12422001), we get a palindrome (22444422).

The spelling of 10022421 in words is "ten million, twenty-two thousand, four hundred twenty-one".