219232243 has 2 divisors, whose sum is σ = 219232244. Its totient is φ = 219232242.

The previous prime is 219232163. The next prime is 219232261. The reversal of 219232243 is 342232912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 219232243 - 2⁹ = 219231731 is a prime.

It is a super-2 number, since 2×219232243² = 96125552741622098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (219212243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109616121 + 109616122.

It is an arithmetic number, because the mean of its divisors is an integer number (109616122).

Almost surely, 2^219232243 is an apocalyptic number.

219232243 is a deficient number, since it is larger than the sum of its proper divisors (1).

219232243 is an equidigital number, since it uses as much as digits as its factorization.

219232243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 219232243 is about 14806.4932715346. The cubic root of 219232243 is about 602.9780122104.

The spelling of 219232243 in words is "two hundred nineteen million, two hundred thirty-two thousand, two hundred forty-three".