420323100222 has 16 divisors (see below), whose sum is σ = 840714754320. Its totient is φ = 140096274432.

The previous prime is 420323100221. The next prime is 420323100229. The reversal of 420323100222 is 222001323024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420323100221) 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, 2776533 + ... + 2924000.

It is an arithmetic number, because the mean of its divisors is an integer number (52544672145).

Almost surely, 2^420323100222 is an apocalyptic number.

420323100222 is an abundant number, since it is smaller than the sum of its proper divisors (420391654098).

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

420323100222 is a wasteful number, since it uses less digits than its factorization.

420323100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712827.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 420323100222 its reverse (222001323024), we get a palindrome (642324423246).

The spelling of 420323100222 in words is "four hundred twenty billion, three hundred twenty-three million, one hundred thousand, two hundred twenty-two".