223222430420 has 96 divisors (see below), whose sum is σ = 528351586560. Its totient is φ = 78504560640.

The previous prime is 223222430413. The next prime is 223222430461. The reversal of 223222430420 is 24034222322.

It is a super-3 number, since 3×223222430420³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 223222430420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1277276 + ... + 1441484.

It is an arithmetic number, because the mean of its divisors is an integer number (5503662360).

Almost surely, 2^223222430420 is an apocalyptic number.

223222430420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223222430420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264175793280).

223222430420 is an abundant number, since it is smaller than the sum of its proper divisors (305129156140).

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

223222430420 is a wasteful number, since it uses less digits than its factorization.

223222430420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164433 (or 164431 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 223222430420 its reverse (24034222322), we get a palindrome (247256652742).

The spelling of 223222430420 in words is "two hundred twenty-three billion, two hundred twenty-two million, four hundred thirty thousand, four hundred twenty".