212202323222 has 32 divisors (see below), whose sum is σ = 320712430752. Its totient is φ = 105302456064.

The previous prime is 212202323189. The next prime is 212202323227. The reversal of 212202323222 is 222323202212.

It is a super-2 number, since 2×212202323222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202323227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248771348 + ... + 248772200.

It is an arithmetic number, because the mean of its divisors is an integer number (10022263461).

Almost surely, 2^212202323222 is an apocalyptic number.

212202323222 is a deficient number, since it is larger than the sum of its proper divisors (108510107530).

212202323222 is a wasteful number, since it uses less digits than its factorization.

212202323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 212202323222 its reverse (222323202212), we get a palindrome (434525525434).

The spelling of 212202323222 in words is "two hundred twelve billion, two hundred two million, three hundred twenty-three thousand, two hundred twenty-two".