212331022222 has 8 divisors (see below), whose sum is σ = 347450763672. Its totient is φ = 96514101000.

The previous prime is 212331022219. The next prime is 212331022231. The reversal of 212331022222 is 222220133212.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 9651410101 = 212331022222 / (2 + 1 + 2 + 3 + 3 + 1 + 0 + 2 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 212331022193 and 212331022202.

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, 4825705029 + ... + 4825705072.

It is an arithmetic number, because the mean of its divisors is an integer number (43431345459).

Almost surely, 2^212331022222 is an apocalyptic number.

212331022222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212331022222 is a deficient number, since it is larger than the sum of its proper divisors (135119741450).

212331022222 is a wasteful number, since it uses less digits than its factorization.

212331022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9651410114.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 212331022222 its reverse (222220133212), we get a palindrome (434551155434).

The spelling of 212331022222 in words is "two hundred twelve billion, three hundred thirty-one million, twenty-two thousand, two hundred twenty-two".