222343040221 has 8 divisors (see below), whose sum is σ = 227913147000. Its totient is φ = 216779938560.

The previous prime is 222343040219. The next prime is 222343040279. The reversal of 222343040221 is 122040343222.

It can be written as a sum of positive squares in 4 ways, for example, as 7214596 + 222335825625 = 2686^2 + 471525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222343040221 - 2¹ = 222343040219 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 (222343040021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686976 + ... + 1813993.

It is an arithmetic number, because the mean of its divisors is an integer number (28489143375).

Almost surely, 2^222343040221 is an apocalyptic number.

It is an amenable number.

222343040221 is a deficient number, since it is larger than the sum of its proper divisors (5570106779).

222343040221 is a wasteful number, since it uses less digits than its factorization.

222343040221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502559.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 222343040221 its reverse (122040343222), we get a palindrome (344383383443).

The spelling of 222343040221 in words is "two hundred twenty-two billion, three hundred forty-three million, forty thousand, two hundred twenty-one".