221224434112044 has 54 divisors (see below), whose sum is σ = 614664675415700. Its totient is φ = 67037707305360.

The previous prime is 221224434112043. The next prime is 221224434112139. The reversal of 221224434112044 is 440211434422122.

221224434112044 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 2 + 4 + 434 + 11 + 204 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (221224434112043) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25393066594 + ... + 25393075305.

Almost surely, 2^{221224434112044} is an apocalyptic number.

It is an amenable number.

221224434112044 is an abundant number, since it is smaller than the sum of its proper divisors (393440241303656).

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

221224434112044 is a wasteful number, since it uses less digits than its factorization.

221224434112044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50786141931 (or 50786141915 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 221224434112044 its reverse (440211434422122), we get a palindrome (661435868534166).

The spelling of 221224434112044 in words is "two hundred twenty-one trillion, two hundred twenty-four billion, four hundred thirty-four million, one hundred twelve thousand, forty-four".