2201223222 has 32 divisors (see below), whose sum is σ = 5336300160. Its totient is φ = 667037160.

The previous prime is 2201223181. The next prime is 2201223229. The reversal of 2201223222 is 2223221022.

2201223222 is a `hidden beast` number, since 220 + 1 + 223 + 222 = 666.

It is a super-2 number, since 2×2201223222² = 9690767346144122568, which contains 22 as substring.

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 = 2201223195 and 2201223204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201223229) 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, 1852288 + ... + 1853475.

It is an arithmetic number, because the mean of its divisors is an integer number (166759380).

Almost surely, 2^2201223222 is an apocalyptic number.

2201223222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2201223222 is an abundant number, since it is smaller than the sum of its proper divisors (3135076938).

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

2201223222 is a wasteful number, since it uses less digits than its factorization.

2201223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705785 (or 3705779 counting only the distinct ones).

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

The square root of 2201223222 is about 46917.1953765355. The cubic root of 2201223222 is about 1300.8324494737.

Adding to 2201223222 its reverse (2223221022), we get a palindrome (4424444244).

The spelling of 2201223222 in words is "two billion, two hundred one million, two hundred twenty-three thousand, two hundred twenty-two".