102221343 has 24 divisors (see below), whose sum is σ = 173311008. Its totient is φ = 56832192.

The previous prime is 102221321. The next prime is 102221377. The reversal of 102221343 is 343122201.

102221343 is a `hidden beast` number, since 102 + 221 + 343 = 666.

It is not a de Polignac number, because 102221343 - 2⁶ = 102221279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19596 + ... + 24257.

It is an arithmetic number, because the mean of its divisors is an integer number (7221292).

Almost surely, 2^102221343 is an apocalyptic number.

102221343 is a deficient number, since it is larger than the sum of its proper divisors (71089665).

102221343 is a wasteful number, since it uses less digits than its factorization.

102221343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43903 (or 43900 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 102221343 is about 10110.4571113279. The cubic root of 102221343 is about 467.5705983538.

Adding to 102221343 its reverse (343122201), we get a palindrome (445343544).

It can be divided in two parts, 102 and 221343, that added together give a triangular number (221445 = T₆₆₅).

The spelling of 102221343 in words is "one hundred two million, two hundred twenty-one thousand, three hundred forty-three".