7338181 has 2 divisors, whose sum is σ = 7338182. Its totient is φ = 7338180.

The previous prime is 7338137. The next prime is 7338211. The reversal of 7338181 is 1818337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5447556 + 1890625 = 2334^2 + 1375^2 .

It is a cyclic number.

It is not a de Polignac number, because 7338181 - 2¹³ = 7329989 is a prime.

It is a super-2 number, since 2×7338181² = 107697800777522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7332181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3669090 + 3669091.

It is an arithmetic number, because the mean of its divisors is an integer number (3669091).

Almost surely, 2^7338181 is an apocalyptic number.

It is an amenable number.

7338181 is a deficient number, since it is larger than the sum of its proper divisors (1).

7338181 is an equidigital number, since it uses as much as digits as its factorization.

7338181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 7338181 is about 2708.9077134520. The cubic root of 7338181 is about 194.3253565456.

The spelling of 7338181 in words is "seven million, three hundred thirty-eight thousand, one hundred eighty-one".