222040343 has 4 divisors (see below), whose sum is σ = 253760400. Its totient is φ = 190320288.

The previous prime is 222040339. The next prime is 222040387. The reversal of 222040343 is 343040222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222040343 - 2² = 222040339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222042343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15860018 + ... + 15860031.

It is an arithmetic number, because the mean of its divisors is an integer number (63440100).

Almost surely, 2^222040343 is an apocalyptic number.

222040343 is a deficient number, since it is larger than the sum of its proper divisors (31720057).

222040343 is an equidigital number, since it uses as much as digits as its factorization.

222040343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31720056.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 222040343 is about 14901.0181866878. The cubic root of 222040343 is about 605.5415709340.

Adding to 222040343 its reverse (343040222), we get a palindrome (565080565).

The spelling of 222040343 in words is "two hundred twenty-two million, forty thousand, three hundred forty-three".