424421330 has 16 divisors (see below), whose sum is σ = 773164224. Its totient is φ = 167722800.

The previous prime is 424421329. The next prime is 424421357. The reversal of 424421330 is 33124424.

It is a junction number, because it is equal to n+sod(n) for n = 424421296 and 424421305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254846 + ... + 256505.

It is an arithmetic number, because the mean of its divisors is an integer number (48322764).

Almost surely, 2^424421330 is an apocalyptic number.

424421330 is a deficient number, since it is larger than the sum of its proper divisors (348742894).

424421330 is a wasteful number, since it uses less digits than its factorization.

424421330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511441.

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

The square root of 424421330 is about 20601.4885384527. The cubic root of 424421330 is about 751.5059105836.

Adding to 424421330 its reverse (33124424), we get a palindrome (457545754).

The spelling of 424421330 in words is "four hundred twenty-four million, four hundred twenty-one thousand, three hundred thirty".