223122330420 has 96 divisors (see below), whose sum is σ = 682009929216. Its totient is φ = 54052752000.

The previous prime is 223122330407. The next prime is 223122330481. The reversal of 223122330420 is 24033221322.

It is a super-3 number, since 3×223122330420³ (a number of 35 digits) contains 333 as substring.

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, 841167 + ... + 1074153.

It is an arithmetic number, because the mean of its divisors is an integer number (7104270096).

Almost surely, 2^223122330420 is an apocalyptic number.

223122330420 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 223122330420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341004964608).

223122330420 is an abundant number, since it is smaller than the sum of its proper divisors (458887598796).

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

223122330420 is a wasteful number, since it uses less digits than its factorization.

223122330420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234461 (or 234459 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 223122330420 its reverse (24033221322), we get a palindrome (247155551742).

The spelling of 223122330420 in words is "two hundred twenty-three billion, one hundred twenty-two million, three hundred thirty thousand, four hundred twenty".