420322522 has 8 divisors (see below), whose sum is σ = 663667200. Its totient is φ = 199100124.

The previous prime is 420322519. The next prime is 420322523. The reversal of 420322522 is 225223024.

It is a happy number.

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 = 420322493 and 420322502.

It is not an unprimeable number, because it can be changed into a prime (420322523) 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, 5530522 + ... + 5530597.

It is an arithmetic number, because the mean of its divisors is an integer number (82958400).

Almost surely, 2^420322522 is an apocalyptic number.

420322522 is a deficient number, since it is larger than the sum of its proper divisors (243344678).

420322522 is a wasteful number, since it uses less digits than its factorization.

420322522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061140.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 420322522 is about 20501.7687529637. The cubic root of 420322522 is about 749.0788822229.

Adding to 420322522 its reverse (225223024), we get a palindrome (645545546).

The spelling of 420322522 in words is "four hundred twenty million, three hundred twenty-two thousand, five hundred twenty-two".