2213482821 has 16 divisors (see below), whose sum is σ = 3227102208. Its totient is φ = 1338383600.

The previous prime is 2213482781. The next prime is 2213482823. The reversal of 2213482821 is 1282843122.

It is a cyclic number.

It is not a de Polignac number, because 2213482821 - 2¹⁸ = 2213220677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213482823) 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, 63591 + ... + 92036.

It is an arithmetic number, because the mean of its divisors is an integer number (201693888).

Almost surely, 2^2213482821 is an apocalyptic number.

It is an amenable number.

2213482821 is a deficient number, since it is larger than the sum of its proper divisors (1013619387).

2213482821 is a wasteful number, since it uses less digits than its factorization.

2213482821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156072.

The product of its digits is 12288, while the sum is 33.

The square root of 2213482821 is about 47047.6654149810. The cubic root of 2213482821 is about 1303.2429529769.

The spelling of 2213482821 in words is "two billion, two hundred thirteen million, four hundred eighty-two thousand, eight hundred twenty-one".