222221000243 has 8 divisors (see below), whose sum is σ = 245743772016. Its totient is φ = 199251705600.

The previous prime is 222221000207. The next prime is 222221000303. The reversal of 222221000243 is 342000122222.

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 222221000243 - 2⁶ = 222221000179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222221000143) 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, 138368438 + ... + 138370043.

It is an arithmetic number, because the mean of its divisors is an integer number (30717971502).

Almost surely, 2^222221000243 is an apocalyptic number.

222221000243 is a deficient number, since it is larger than the sum of its proper divisors (23522771773).

222221000243 is a wasteful number, since it uses less digits than its factorization.

222221000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276738565.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 222221000243 its reverse (342000122222), we get a palindrome (564221122465).

The spelling of 222221000243 in words is "two hundred twenty-two billion, two hundred twenty-one million, two hundred forty-three", and thus it is an aban number.