3229864181 has 2 divisors, whose sum is σ = 3229864182. Its totient is φ = 3229864180.

The previous prime is 3229864159. The next prime is 3229864189. The reversal of 3229864181 is 1814689223.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2398060900 + 831803281 = 48970^2 + 28841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3229864181 is a prime.

It is a super-2 number, since 2×3229864181² = 20864045255413601522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3229864189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1614932090 + 1614932091.

It is an arithmetic number, because the mean of its divisors is an integer number (1614932091).

Almost surely, 2^3229864181 is an apocalyptic number.

It is an amenable number.

3229864181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3229864181 is an equidigital number, since it uses as much as digits as its factorization.

3229864181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 44.

The square root of 3229864181 is about 56831.8940472689. The cubic root of 3229864181 is about 1478.1826031757.

The spelling of 3229864181 in words is "three billion, two hundred twenty-nine million, eight hundred sixty-four thousand, one hundred eighty-one".