63242219 has 2 divisors, whose sum is σ = 63242220. Its totient is φ = 63242218.

The previous prime is 63242191. The next prime is 63242233. The reversal of 63242219 is 91224236.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63242219 is a prime.

It is a super-2 number, since 2×63242219² = 7999156528087922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 63242191 and 63242200.

It is not a weakly prime, because it can be changed into another prime (63242239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31621109 + 31621110.

It is an arithmetic number, because the mean of its divisors is an integer number (31621110).

Almost surely, 2^63242219 is an apocalyptic number.

63242219 is a deficient number, since it is larger than the sum of its proper divisors (1).

63242219 is an equidigital number, since it uses as much as digits as its factorization.

63242219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 63242219 is about 7952.4976579688. The cubic root of 63242219 is about 398.4150174545.

The spelling of 63242219 in words is "sixty-three million, two hundred forty-two thousand, two hundred nineteen".