212424323222 has 16 divisors (see below), whose sum is σ = 341091691200. Its totient is φ = 98916588360.

The previous prime is 212424323183. The next prime is 212424323257. The reversal of 212424323222 is 222323424212.

It is a happy number.

It is a super-2 number, since 2×212424323222² (a number of 23 digits) contains 22 as substring.

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, 47371604 + ... + 47376087.

It is an arithmetic number, because the mean of its divisors is an integer number (21318230700).

Almost surely, 2^212424323222 is an apocalyptic number.

212424323222 is a deficient number, since it is larger than the sum of its proper divisors (128667367978).

212424323222 is a wasteful number, since it uses less digits than its factorization.

212424323222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94747771.

The product of its digits is 18432, while the sum is 29.

Adding to 212424323222 its reverse (222323424212), we get a palindrome (434747747434).

The spelling of 212424323222 in words is "two hundred twelve billion, four hundred twenty-four million, three hundred twenty-three thousand, two hundred twenty-two".