212223220022 has 16 divisors (see below), whose sum is σ = 347284787472. Its totient is φ = 96462203520.

The previous prime is 212223219997. The next prime is 212223220051. The reversal of 212223220022 is 220022322212.

212223220022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212223219976 and 212223220003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719018 + ... + 970274.

It is an arithmetic number, because the mean of its divisors is an integer number (21705299217).

Almost surely, 2^212223220022 is an apocalyptic number.

212223220022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212223220022 is a deficient number, since it is larger than the sum of its proper divisors (135061567450).

212223220022 is a wasteful number, since it uses less digits than its factorization.

212223220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289663.

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

Adding to 212223220022 its reverse (220022322212), we get a palindrome (432245542234).

The spelling of 212223220022 in words is "two hundred twelve billion, two hundred twenty-three million, two hundred twenty thousand, twenty-two".