88226891 has 2 divisors, whose sum is σ = 88226892. Its totient is φ = 88226890.

The previous prime is 88226869. The next prime is 88226893. The reversal of 88226891 is 19862288.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88226891 is a prime.

Together with 88226893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88226893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44113445 + 44113446.

It is an arithmetic number, because the mean of its divisors is an integer number (44113446).

Almost surely, 2^88226891 is an apocalyptic number.

88226891 is a deficient number, since it is larger than the sum of its proper divisors (1).

88226891 is an equidigital number, since it uses as much as digits as its factorization.

88226891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 44.

The square root of 88226891 is about 9392.9170655340. The cubic root of 88226891 is about 445.1779635796.

The spelling of 88226891 in words is "eighty-eight million, two hundred twenty-six thousand, eight hundred ninety-one".