421334522 has 8 divisors (see below), whose sum is σ = 722287776. Its totient is φ = 180571932.

The previous prime is 421334521. The next prime is 421334531. The reversal of 421334522 is 225433124.

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

It is a junction number, because it is equal to n+sod(n) for n = 421334491 and 421334500.

It is not an unprimeable number, because it can be changed into a prime (421334521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15047648 + ... + 15047675.

It is an arithmetic number, because the mean of its divisors is an integer number (90285972).

Almost surely, 2^421334522 is an apocalyptic number.

421334522 is a deficient number, since it is larger than the sum of its proper divisors (300953254).

421334522 is a wasteful number, since it uses less digits than its factorization.

421334522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30095332.

The product of its digits is 5760, while the sum is 26.

The square root of 421334522 is about 20526.4347123411. The cubic root of 421334522 is about 749.6795798682.

Adding to 421334522 its reverse (225433124), we get a palindrome (646767646).

The spelling of 421334522 in words is "four hundred twenty-one million, three hundred thirty-four thousand, five hundred twenty-two".