3205222243 has 4 divisors (see below), whose sum is σ = 3205470240. Its totient is φ = 3204974248.

The previous prime is 3205222231. The next prime is 3205222249. The reversal of 3205222243 is 3422225023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3205222243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3205222249) 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, 103480 + ... + 130837.

It is an arithmetic number, because the mean of its divisors is an integer number (801367560).

Almost surely, 2^3205222243 is an apocalyptic number.

3205222243 is a deficient number, since it is larger than the sum of its proper divisors (247997).

3205222243 is a wasteful number, since it uses less digits than its factorization.

3205222243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247996.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 3205222243 is about 56614.6822211341. The cubic root of 3205222243 is about 1474.4137849367.

Adding to 3205222243 its reverse (3422225023), we get a palindrome (6627447266).

The spelling of 3205222243 in words is "three billion, two hundred five million, two hundred twenty-two thousand, two hundred forty-three".