132221819 has 2 divisors, whose sum is σ = 132221820. Its totient is φ = 132221818.

The previous prime is 132221797. The next prime is 132221849. The reversal of 132221819 is 918122231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132221819 - 2²⁰ = 131173243 is a prime.

It is a super-2 number, since 2×132221819² = 34965218839337522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 132221791 and 132221800.

It is not a weakly prime, because it can be changed into another prime (132221849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66110909 + 66110910.

It is an arithmetic number, because the mean of its divisors is an integer number (66110910).

Almost surely, 2^132221819 is an apocalyptic number.

132221819 is a deficient number, since it is larger than the sum of its proper divisors (1).

132221819 is an equidigital number, since it uses as much as digits as its factorization.

132221819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 132221819 is about 11498.7746738511. The cubic root of 132221819 is about 509.4493852451.

The spelling of 132221819 in words is "one hundred thirty-two million, two hundred twenty-one thousand, eight hundred nineteen".