212223220222 has 8 divisors (see below), whose sum is σ = 342822125016. Its totient is φ = 97949178552.

The previous prime is 212223220219. The next prime is 212223220243. The reversal of 212223220222 is 222022322212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212223220193 and 212223220202.

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, 4081215748 + ... + 4081215799.

It is an arithmetic number, because the mean of its divisors is an integer number (42852765627).

Almost surely, 2^212223220222 is an apocalyptic number.

212223220222 is a deficient number, since it is larger than the sum of its proper divisors (130598904794).

212223220222 is a wasteful number, since it uses less digits than its factorization.

212223220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162431562.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 212223220222 its reverse (222022322212), we get a palindrome (434245542434).

The spelling of 212223220222 in words is "two hundred twelve billion, two hundred twenty-three million, two hundred twenty thousand, two hundred twenty-two".