221333223222 has 64 divisors (see below), whose sum is σ = 534859381440. Its totient is φ = 67561164288.

The previous prime is 221333223193. The next prime is 221333223263. The reversal of 221333223222 is 222322333122.

221333223222 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 332 + 2 + 322 + 2 = 666.

It is a super-2 number, since 2×221333223222² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3224193 + ... + 3292124.

It is an arithmetic number, because the mean of its divisors is an integer number (8357177835).

Almost surely, 2^221333223222 is an apocalyptic number.

221333223222 is an abundant number, since it is smaller than the sum of its proper divisors (313526158218).

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

221333223222 is a wasteful number, since it uses less digits than its factorization.

221333223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516382 (or 6516376 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

Adding to 221333223222 its reverse (222322333122), we get a palindrome (443655556344).

The spelling of 221333223222 in words is "two hundred twenty-one billion, three hundred thirty-three million, two hundred twenty-three thousand, two hundred twenty-two".