420223310 has 32 divisors (see below), whose sum is σ = 815536512. Its totient is φ = 154978560.

The previous prime is 420223283. The next prime is 420223333. The reversal of 420223310 is 13322024.

It is a super-2 number, since 2×420223310² = 353175260534712200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170507 + ... + 172953.

It is an arithmetic number, because the mean of its divisors is an integer number (25485516).

Almost surely, 2^420223310 is an apocalyptic number.

420223310 is a deficient number, since it is larger than the sum of its proper divisors (395313202).

420223310 is a wasteful number, since it uses less digits than its factorization.

420223310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 420223310 is about 20499.3490140541. The cubic root of 420223310 is about 749.0199406100.

Adding to 420223310 its reverse (13322024), we get a palindrome (433545334).

The spelling of 420223310 in words is "four hundred twenty million, two hundred twenty-three thousand, three hundred ten".