2211303222 has 24 divisors (see below), whose sum is σ = 4945711680. Its totient is φ = 713323440.

The previous prime is 2211303217. The next prime is 2211303229. The reversal of 2211303222 is 2223031122.

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 = 2211303195 and 2211303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211303229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1980897 + ... + 1982012.

It is an arithmetic number, because the mean of its divisors is an integer number (206071320).

Almost surely, 2^2211303222 is an apocalyptic number.

2211303222 is an abundant number, since it is smaller than the sum of its proper divisors (2734408458).

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

2211303222 is a wasteful number, since it uses less digits than its factorization.

2211303222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962948 (or 3962945 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2211303222 is about 47024.4959781601. The cubic root of 2211303222 is about 1302.8150481573.

Adding to 2211303222 its reverse (2223031122), we get a palindrome (4434334344).

The spelling of 2211303222 in words is "two billion, two hundred eleven million, three hundred three thousand, two hundred twenty-two".