222221213343 has 64 divisors (see below), whose sum is σ = 358384590720. Its totient is φ = 135520045056.

The previous prime is 222221213321. The next prime is 222221213419. The reversal of 222221213343 is 343312122222.

222221213343 is a `hidden beast` number, since 222 + 221 + 213 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 222221213343 - 2¹² = 222221209247 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221203343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17197321 + ... + 17210237.

It is an arithmetic number, because the mean of its divisors is an integer number (5599759230).

Almost surely, 2^222221213343 is an apocalyptic number.

222221213343 is a deficient number, since it is larger than the sum of its proper divisors (136163377377).

222221213343 is a wasteful number, since it uses less digits than its factorization.

222221213343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13993 (or 13987 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 222221213343 its reverse (343312122222), we get a palindrome (565533335565).

It can be divided in two parts, 2222212 and 13343, that added together give a triangular number (2235555 = T₂₁₁₄).

The spelling of 222221213343 in words is "two hundred twenty-two billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred forty-three".