88755221 has 2 divisors, whose sum is σ = 88755222. Its totient is φ = 88755220.

The previous prime is 88755197. The next prime is 88755257. The reversal of 88755221 is 12255788.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74200996 + 14554225 = 8614^2 + 3815^2 .

It is a cyclic number.

It is not a de Polignac number, because 88755221 - 2¹⁸ = 88493077 is a prime.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88755281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44377610 + 44377611.

It is an arithmetic number, because the mean of its divisors is an integer number (44377611).

Almost surely, 2^88755221 is an apocalyptic number.

It is an amenable number.

88755221 is a deficient number, since it is larger than the sum of its proper divisors (1).

88755221 is an equidigital number, since it uses as much as digits as its factorization.

88755221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 38.

The square root of 88755221 is about 9420.9989385415. The cubic root of 88755221 is about 446.0648169386.

The spelling of 88755221 in words is "eighty-eight million, seven hundred fifty-five thousand, two hundred twenty-one".