212223222001 has 8 divisors (see below), whose sum is σ = 242566876160. Its totient is φ = 181886080608.

The previous prime is 212223221999. The next prime is 212223222019. The reversal of 212223222001 is 100222322212.

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 212223222001 - 2¹ = 212223221999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212223222001.

It is not an unprimeable number, because it can be changed into a prime (212223262001) 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, 1558161 + ... + 1688878.

It is an arithmetic number, because the mean of its divisors is an integer number (30320859520).

Almost surely, 2^212223222001 is an apocalyptic number.

It is an amenable number.

212223222001 is a deficient number, since it is larger than the sum of its proper divisors (30343654159).

212223222001 is an equidigital number, since it uses as much as digits as its factorization.

212223222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256383.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212223222001 its reverse (100222322212), we get a palindrome (312445544213).

The spelling of 212223222001 in words is "two hundred twelve billion, two hundred twenty-three million, two hundred twenty-two thousand, one".