224123213220 has 24 divisors (see below), whose sum is σ = 627544997184. Its totient is φ = 59766190176.

The previous prime is 224123213189. The next prime is 224123213233. The reversal of 224123213220 is 22312321422.

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, 1867693384 + ... + 1867693503.

It is an arithmetic number, because the mean of its divisors is an integer number (26147708216).

Almost surely, 2^224123213220 is an apocalyptic number.

224123213220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224123213220 is an abundant number, since it is smaller than the sum of its proper divisors (403421783964).

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

224123213220 is a wasteful number, since it uses less digits than its factorization.

224123213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735386899 (or 3735386897 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 224123213220 its reverse (22312321422), we get a palindrome (246435534642).

The spelling of 224123213220 in words is "two hundred twenty-four billion, one hundred twenty-three million, two hundred thirteen thousand, two hundred twenty".