2212320222 has 32 divisors (see below), whose sum is σ = 5618592000. Its totient is φ = 632091384.

The previous prime is 2212320217. The next prime is 2212320241. The reversal of 2212320222 is 2220232122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2212320195 and 2212320204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2925972 + ... + 2926727.

It is an arithmetic number, because the mean of its divisors is an integer number (175581000).

Almost surely, 2^2212320222 is an apocalyptic number.

2212320222 is an abundant number, since it is smaller than the sum of its proper divisors (3406271778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212320222 is a wasteful number, since it uses less digits than its factorization.

2212320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852717 (or 5852711 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2212320222 is about 47035.3082481661. The cubic root of 2212320222 is about 1303.0147433448.

Adding to 2212320222 its reverse (2220232122), we get a palindrome (4432552344).

The spelling of 2212320222 in words is "two billion, two hundred twelve million, three hundred twenty thousand, two hundred twenty-two".