141222181 has 2 divisors, whose sum is σ = 141222182. Its totient is φ = 141222180.

The previous prime is 141222121. The next prime is 141222187. The reversal of 141222181 is 181222141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106812225 + 34409956 = 10335^2 + 5866^2 .

It is an emirp because it is prime and its reverse (181222141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141222181 is a prime.

It is a super-2 number, since 2×141222181² = 39887408812793522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141222187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70611090 + 70611091.

It is an arithmetic number, because the mean of its divisors is an integer number (70611091).

Almost surely, 2^141222181 is an apocalyptic number.

It is an amenable number.

141222181 is a deficient number, since it is larger than the sum of its proper divisors (1).

141222181 is an equidigital number, since it uses as much as digits as its factorization.

141222181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256, while the sum is 22.

The square root of 141222181 is about 11883.6939122480. The cubic root of 141222181 is about 520.7560267611.

The spelling of 141222181 in words is "one hundred forty-one million, two hundred twenty-two thousand, one hundred eighty-one".