422010421 has 32 divisors (see below), whose sum is σ = 506050560. Its totient is φ = 344520000.

The previous prime is 422010403. The next prime is 422010427. The reversal of 422010421 is 124010224.

It is a cyclic number.

It is not a de Polignac number, because 422010421 - 2⁵ = 422010389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422010395 and 422010404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422010427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2794696 + ... + 2794846.

It is an arithmetic number, because the mean of its divisors is an integer number (15814080).

Almost surely, 2^422010421 is an apocalyptic number.

It is an amenable number.

422010421 is a deficient number, since it is larger than the sum of its proper divisors (84040139).

422010421 is a wasteful number, since it uses less digits than its factorization.

422010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 422010421 is about 20542.8922257797. The cubic root of 422010421 is about 750.0802408964.

Adding to 422010421 its reverse (124010224), we get a palindrome (546020645).

It can be divided in two parts, 4220 and 10421, that added together give a palindrome (14641).

The spelling of 422010421 in words is "four hundred twenty-two million, ten thousand, four hundred twenty-one".