147722219 has 2 divisors, whose sum is σ = 147722220. Its totient is φ = 147722218.

The previous prime is 147722171. The next prime is 147722227. The reversal of 147722219 is 912227741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147722219 - 2⁸ = 147721963 is a prime.

It is a super-2 number, since 2×147722219² = 43643707972567922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (147722279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73861109 + 73861110.

It is an arithmetic number, because the mean of its divisors is an integer number (73861110).

Almost surely, 2^147722219 is an apocalyptic number.

147722219 is a deficient number, since it is larger than the sum of its proper divisors (1).

147722219 is an equidigital number, since it uses as much as digits as its factorization.

147722219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 147722219 is about 12154.1029697794. The cubic root of 147722219 is about 528.6261069631.

The spelling of 147722219 in words is "one hundred forty-seven million, seven hundred twenty-two thousand, two hundred nineteen".