424220330 has 8 divisors (see below), whose sum is σ = 763596612. Its totient is φ = 169688128.

The previous prime is 424220309. The next prime is 424220333. The reversal of 424220330 is 33022424.

It can be written as a sum of positive squares in 2 ways, for example, as 410508121 + 13712209 = 20261^2 + 3703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (424220333) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21211007 + ... + 21211026.

Almost surely, 2^424220330 is an apocalyptic number.

424220330 is a deficient number, since it is larger than the sum of its proper divisors (339376282).

424220330 is a wasteful number, since it uses less digits than its factorization.

424220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42422040.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 424220330 is about 20596.6096724679. The cubic root of 424220330 is about 751.3872576248.

Adding to 424220330 its reverse (33022424), we get a palindrome (457242754).

The spelling of 424220330 in words is "four hundred twenty-four million, two hundred twenty thousand, three hundred thirty".