2213021208 has 64 divisors (see below), whose sum is σ = 5716488960. Its totient is φ = 713390976.

The previous prime is 2213021203. The next prime is 2213021243. The reversal of 2213021208 is 8021203122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140835 + ... + 155757.

It is an arithmetic number, because the mean of its divisors is an integer number (89320140).

Almost surely, 2^2213021208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2213021208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2858244480).

2213021208 is an abundant number, since it is smaller than the sum of its proper divisors (3503467752).

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

2213021208 is a wasteful number, since it uses less digits than its factorization.

2213021208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15136 (or 15132 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2213021208 is about 47042.7593578438. The cubic root of 2213021208 is about 1303.1523513079.

The spelling of 2213021208 in words is "two billion, two hundred thirteen million, twenty-one thousand, two hundred eight".