223220121232 has 40 divisors (see below), whose sum is σ = 446766762240. Its totient is φ = 107930739840.

The previous prime is 223220121217. The next prime is 223220121277. The reversal of 223220121232 is 232121022322.

It is a super-3 number, since 3×223220121232³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517119 + ... + 844897.

It is an arithmetic number, because the mean of its divisors is an integer number (11169169056).

Almost surely, 2^223220121232 is an apocalyptic number.

It is an amenable number.

223220121232 is an abundant number, since it is smaller than the sum of its proper divisors (223546641008).

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

223220121232 is a wasteful number, since it uses less digits than its factorization.

223220121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329191 (or 329185 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 223220121232 its reverse (232121022322), we get a palindrome (455341143554).

The spelling of 223220121232 in words is "two hundred twenty-three billion, two hundred twenty million, one hundred twenty-one thousand, two hundred thirty-two".