2103213222 has 32 divisors (see below), whose sum is σ = 5098700160. Its totient is φ = 637337160.

The previous prime is 2103213209. The next prime is 2103213223. The reversal of 2103213222 is 2223123012.

2103213222 is a `hidden beast` number, since 21 + 0 + 321 + 322 + 2 = 666.

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 = 2103213195 and 2103213204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103213223) by changing a digit.

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, 1769788 + ... + 1770975.

It is an arithmetic number, because the mean of its divisors is an integer number (159334380).

Almost surely, 2^2103213222 is an apocalyptic number.

2103213222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2103213222 is an abundant number, since it is smaller than the sum of its proper divisors (2995486938).

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

2103213222 is a wasteful number, since it uses less digits than its factorization.

2103213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540785 (or 3540779 counting only the distinct ones).

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

The square root of 2103213222 is about 45860.8026750514. The cubic root of 2103213222 is about 1281.2319726450.

Adding to 2103213222 its reverse (2223123012), we get a palindrome (4326336234).

The spelling of 2103213222 in words is "two billion, one hundred three million, two hundred thirteen thousand, two hundred twenty-two".