224221332412 has 48 divisors (see below), whose sum is σ = 489321520128. Its totient is φ = 87339078720.

The previous prime is 224221332389. The next prime is 224221332463. The reversal of 224221332412 is 214233122422.

It is a super-2 number, since 2×224221332412² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1310653 + ... + 1471819.

It is an arithmetic number, because the mean of its divisors is an integer number (10194198336).

Almost surely, 2^224221332412 is an apocalyptic number.

224221332412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

224221332412 is an abundant number, since it is smaller than the sum of its proper divisors (265100187716).

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

224221332412 is a wasteful number, since it uses less digits than its factorization.

224221332412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165706 (or 165704 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 224221332412 its reverse (214233122422), we get a palindrome (438454454834).

The spelling of 224221332412 in words is "two hundred twenty-four billion, two hundred twenty-one million, three hundred thirty-two thousand, four hundred twelve".