3345223181 has 2 divisors, whose sum is σ = 3345223182. Its totient is φ = 3345223180.

The previous prime is 3345223177. The next prime is 3345223213. The reversal of 3345223181 is 1813225433.

It is an a-pointer prime, because the next prime (3345223213) can be obtained adding 3345223181 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2930489956 + 414733225 = 54134^2 + 20365^2 .

It is a cyclic number.

It is not a de Polignac number, because 3345223181 - 2² = 3345223177 is a prime.

It is a super-2 number, since 2×3345223181² = 22381036261399517522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3345223111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672611590 + 1672611591.

It is an arithmetic number, because the mean of its divisors is an integer number (1672611591).

Almost surely, 2^3345223181 is an apocalyptic number.

It is an amenable number.

3345223181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345223181 is an equidigital number, since it uses as much as digits as its factorization.

3345223181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 3345223181 is about 57837.9043621050. The cubic root of 3345223181 is about 1495.5755819216.

The spelling of 3345223181 in words is "three billion, three hundred forty-five million, two hundred twenty-three thousand, one hundred eighty-one".