421322602 has 16 divisors (see below), whose sum is σ = 661151232. Its totient is φ = 200985840.

The previous prime is 421322513. The next prime is 421322609. The reversal of 421322602 is 206223124.

It is not an unprimeable number, because it can be changed into a prime (421322609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6727 + ... + 29797.

It is an arithmetic number, because the mean of its divisors is an integer number (41321952).

Almost surely, 2^421322602 is an apocalyptic number.

421322602 is a deficient number, since it is larger than the sum of its proper divisors (239828630).

421322602 is a wasteful number, since it uses less digits than its factorization.

421322602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23493.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 421322602 is about 20526.1443529953. The cubic root of 421322602 is about 749.6725100583.

Adding to 421322602 its reverse (206223124), we get a palindrome (627545726).

The spelling of 421322602 in words is "four hundred twenty-one million, three hundred twenty-two thousand, six hundred two".