3240224345 has 4 divisors (see below), whose sum is σ = 3888269220. Its totient is φ = 2592179472.

The previous prime is 3240224341. The next prime is 3240224353. The reversal of 3240224345 is 5434220423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5434220423 = 31 ⋅175297433.

It can be written as a sum of positive squares in 2 ways, for example, as 989291209 + 2250933136 = 31453^2 + 47444^2 .

It is a cyclic number.

It is not a de Polignac number, because 3240224345 - 2² = 3240224341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3240224341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324022430 + ... + 324022439.

It is an arithmetic number, because the mean of its divisors is an integer number (972067305).

Almost surely, 2^3240224345 is an apocalyptic number.

It is an amenable number.

3240224345 is a deficient number, since it is larger than the sum of its proper divisors (648044875).

3240224345 is an equidigital number, since it uses as much as digits as its factorization.

3240224345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648044874.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 3240224345 is about 56922.9685188677. The cubic root of 3240224345 is about 1479.7613970414.

Adding to 3240224345 its reverse (5434220423), we get a palindrome (8674444768).

The spelling of 3240224345 in words is "three billion, two hundred forty million, two hundred twenty-four thousand, three hundred forty-five".