221224030032 has 40 divisors (see below), whose sum is σ = 583654893696. Its totient is φ = 72172377856.

The previous prime is 221224030003. The next prime is 221224030033. The reversal of 221224030032 is 230030422122.

It is a junction number, because it is equal to n+sod(n) for n = 221224029990 and 221224030008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221224030033) 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, 49027893 + ... + 49032404.

Almost surely, 2^221224030032 is an apocalyptic number.

It is an amenable number.

221224030032 is an abundant number, since it is smaller than the sum of its proper divisors (362430863664).

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

221224030032 is a wasteful number, since it uses less digits than its factorization.

221224030032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98060355 (or 98060349 counting only the distinct ones).

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

Adding to 221224030032 its reverse (230030422122), we get a palindrome (451254452154).

The spelling of 221224030032 in words is "two hundred twenty-one billion, two hundred twenty-four million, thirty thousand, thirty-two".