420003222 has 16 divisors (see below), whose sum is σ = 842262960. Its totient is φ = 139624992.

The previous prime is 420003209. The next prime is 420003223. The reversal of 420003222 is 222300024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420003223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91597 + ... + 96072.

It is an arithmetic number, because the mean of its divisors is an integer number (52641435).

Almost surely, 2^420003222 is an apocalyptic number.

420003222 is an abundant number, since it is smaller than the sum of its proper divisors (422259738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420003222 is a wasteful number, since it uses less digits than its factorization.

420003222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188047.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 420003222 is about 20493.9801405193. The cubic root of 420003222 is about 748.8891537286.

Adding to 420003222 its reverse (222300024), we get a palindrome (642303246).

The spelling of 420003222 in words is "four hundred twenty million, three thousand, two hundred twenty-two".