223221302206 has 8 divisors (see below), whose sum is σ = 382665089520. Its totient is φ = 95666272368.

The previous prime is 223221302197. The next prime is 223221302231. The reversal of 223221302206 is 602203122322.

It is a happy number.

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

It is a super-3 number, since 3×223221302206³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7972189351 + ... + 7972189378.

It is an arithmetic number, because the mean of its divisors is an integer number (47833136190).

Almost surely, 2^223221302206 is an apocalyptic number.

223221302206 is a deficient number, since it is larger than the sum of its proper divisors (159443787314).

223221302206 is a wasteful number, since it uses less digits than its factorization.

223221302206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15944378738.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 223221302206 its reverse (602203122322), we get a palindrome (825424424528).

The spelling of 223221302206 in words is "two hundred twenty-three billion, two hundred twenty-one million, three hundred two thousand, two hundred six".