422422121 has 4 divisors (see below), whose sum is σ = 460824144. Its totient is φ = 384020100.

The previous prime is 422422093. The next prime is 422422141. The reversal of 422422121 is 121224224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422422121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422422093 and 422422102.

It is not an unprimeable number, because it can be changed into a prime (422422141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19200995 + ... + 19201016.

It is an arithmetic number, because the mean of its divisors is an integer number (115206036).

Almost surely, 2^422422121 is an apocalyptic number.

It is an amenable number.

422422121 is a deficient number, since it is larger than the sum of its proper divisors (38402023).

422422121 is a wasteful number, since it uses less digits than its factorization.

422422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38402022.

The product of its digits is 512, while the sum is 20.

The square root of 422422121 is about 20552.9102805418. The cubic root of 422422121 is about 750.3240797947.

Adding to 422422121 its reverse (121224224), we get a palindrome (543646345).

The spelling of 422422121 in words is "four hundred twenty-two million, four hundred twenty-two thousand, one hundred twenty-one".