3224431261 has 4 divisors (see below), whose sum is σ = 3238636032. Its totient is φ = 3210226492.

The previous prime is 3224431201. The next prime is 3224431277. The reversal of 3224431261 is 1621344223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1621344223 = 21799 ⋅74377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3224431261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3224431201) 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, 7102045 + ... + 7102498.

It is an arithmetic number, because the mean of its divisors is an integer number (809659008).

Almost surely, 2^3224431261 is an apocalyptic number.

It is an amenable number.

3224431261 is a deficient number, since it is larger than the sum of its proper divisors (14204771).

3224431261 is a wasteful number, since it uses less digits than its factorization.

3224431261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14204770.

The product of its digits is 6912, while the sum is 28.

The square root of 3224431261 is about 56784.0757695324. The cubic root of 3224431261 is about 1477.3533263126.

Adding to 3224431261 its reverse (1621344223), we get a palindrome (4845775484).

The spelling of 3224431261 in words is "three billion, two hundred twenty-four million, four hundred thirty-one thousand, two hundred sixty-one".