2213240234 has 16 divisors (see below), whose sum is σ = 3533000328. Its totient is φ = 1036234752.

The previous prime is 2213240231. The next prime is 2213240287. The reversal of 2213240234 is 4320423122.

It can be written as a sum of positive squares in 4 ways, for example, as 1924138225 + 289102009 = 43865^2 + 17003^2 .

It is not an unprimeable number, because it can be changed into a prime (2213240231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158519 + ... + 171914.

Almost surely, 2^2213240234 is an apocalyptic number.

2213240234 is a deficient number, since it is larger than the sum of its proper divisors (1319760094).

2213240234 is a wasteful number, since it uses less digits than its factorization.

2213240234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330649.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2213240234 is about 47045.0872461727. The cubic root of 2213240234 is about 1303.1953415317.

Adding to 2213240234 its reverse (4320423122), we get a palindrome (6533663356).

The spelling of 2213240234 in words is "two billion, two hundred thirteen million, two hundred forty thousand, two hundred thirty-four".