88243219 has 2 divisors, whose sum is σ = 88243220. Its totient is φ = 88243218.

The previous prime is 88243217. The next prime is 88243223. The reversal of 88243219 is 91234288.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88243219 - 2¹ = 88243217 is a prime.

It is a super-2 number, since 2×88243219² = 15573731398963922, which contains 22 as substring.

Together with 88243217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (88243213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44121609 + 44121610.

It is an arithmetic number, because the mean of its divisors is an integer number (44121610).

Almost surely, 2^88243219 is an apocalyptic number.

88243219 is a deficient number, since it is larger than the sum of its proper divisors (1).

88243219 is an equidigital number, since it uses as much as digits as its factorization.

88243219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 88243219 is about 9393.7861908817. The cubic root of 88243219 is about 445.2054246607.

The spelling of 88243219 in words is "eighty-eight million, two hundred forty-three thousand, two hundred nineteen".