420323222 has 16 divisors (see below), whose sum is σ = 691783632. Its totient is φ = 189949920.

The previous prime is 420323221. The next prime is 420323251. The reversal of 420323222 is 222323024.

It is a super-2 number, since 2×420323222² = 353343221904922568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420323194 and 420323203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420323221) 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, 51413 + ... + 59024.

It is an arithmetic number, because the mean of its divisors is an integer number (43236477).

Almost surely, 2^420323222 is an apocalyptic number.

420323222 is a deficient number, since it is larger than the sum of its proper divisors (271460410).

420323222 is a wasteful number, since it uses less digits than its factorization.

420323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110623.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 420323222 is about 20501.7858246544. The cubic root of 420323222 is about 749.0792980583.

Adding to 420323222 its reverse (222323024), we get a palindrome (642646246).

It can be divided in two parts, 42032 and 3222, that added together give a palindrome (45254).

The spelling of 420323222 in words is "four hundred twenty million, three hundred twenty-three thousand, two hundred twenty-two".