421332422 has 16 divisors (see below), whose sum is σ = 726888480. Its totient is φ = 179419968.

The previous prime is 421332419. The next prime is 421332449. The reversal of 421332422 is 224233124.

It is a congruent number.

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, 93647 + ... + 98042.

It is an arithmetic number, because the mean of its divisors is an integer number (45430530).

Almost surely, 2^421332422 is an apocalyptic number.

421332422 is a deficient number, since it is larger than the sum of its proper divisors (305556058).

421332422 is a wasteful number, since it uses less digits than its factorization.

421332422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191855.

The product of its digits is 2304, while the sum is 23.

The square root of 421332422 is about 20526.3835587275. The cubic root of 421332422 is about 749.6783343576.

Adding to 421332422 its reverse (224233124), we get a palindrome (645565546).

The spelling of 421332422 in words is "four hundred twenty-one million, three hundred thirty-two thousand, four hundred twenty-two".