2216431210 has 72 divisors (see below), whose sum is σ = 4694456844. Its totient is φ = 751242240.

The previous prime is 2216431201. The next prime is 2216431213. The reversal of 2216431210 is 121346122.

It can be written as a sum of positive squares in 6 ways, for example, as 1433606769 + 782824441 = 37863^2 + 27979^2 .

It is not an unprimeable number, because it can be changed into a prime (2216431213) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9196690 + ... + 9196930.

Almost surely, 2^2216431210 is an apocalyptic number.

2216431210 is an abundant number, since it is smaller than the sum of its proper divisors (2478025634).

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

2216431210 is a wasteful number, since it uses less digits than its factorization.

2216431210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2216431210 is about 47078.9890503184. The cubic root of 2216431210 is about 1303.8213419814.

Adding to 2216431210 its reverse (121346122), we get a palindrome (2337777332).

The spelling of 2216431210 in words is "two billion, two hundred sixteen million, four hundred thirty-one thousand, two hundred ten".