223222020312 has 32 divisors (see below), whose sum is σ = 573137622000. Its totient is φ = 72396330624.

The previous prime is 223222020311. The next prime is 223222020341. The reversal of 223222020312 is 213020222322.

It is a super-3 number, since 3×223222020312³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223222020311) 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, 125687187 + ... + 125688962.

Almost surely, 2^223222020312 is an apocalyptic number.

It is an amenable number.

223222020312 is an abundant number, since it is smaller than the sum of its proper divisors (349915601688).

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

223222020312 is a wasteful number, since it uses less digits than its factorization.

223222020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251376195 (or 251376191 counting only the distinct ones).

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

Adding to 223222020312 its reverse (213020222322), we get a palindrome (436242242634).

The spelling of 223222020312 in words is "two hundred twenty-three billion, two hundred twenty-two million, twenty thousand, three hundred twelve".