421102330 has 64 divisors (see below), whose sum is σ = 864535680. Its totient is φ = 146272000.

The previous prime is 421102327. The next prime is 421102361. The reversal of 421102330 is 33201124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321537 + ... + 322843.

It is an arithmetic number, because the mean of its divisors is an integer number (13508370).

Almost surely, 2^421102330 is an apocalyptic number.

421102330 is an abundant number, since it is smaller than the sum of its proper divisors (443433350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421102330 is a wasteful number, since it uses less digits than its factorization.

421102330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 421102330 is about 20520.7780066936. The cubic root of 421102330 is about 749.5418416597.

Adding to 421102330 its reverse (33201124), we get a palindrome (454303454).

The spelling of 421102330 in words is "four hundred twenty-one million, one hundred two thousand, three hundred thirty".