1088873221 has 2 divisors, whose sum is σ = 1088873222. Its totient is φ = 1088873220.

The previous prime is 1088873197. The next prime is 1088873249. The reversal of 1088873221 is 1223788801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1087020900 + 1852321 = 32970^2 + 1361^2 .

It is a cyclic number.

It is not a de Polignac number, because 1088873221 - 2⁵ = 1088873189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1088873321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544436610 + 544436611.

It is an arithmetic number, because the mean of its divisors is an integer number (544436611).

Almost surely, 2^1088873221 is an apocalyptic number.

It is an amenable number.

1088873221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1088873221 is an equidigital number, since it uses as much as digits as its factorization.

1088873221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 1088873221 is about 32998.0790501508. The cubic root of 1088873221 is about 1028.7877216387.

The spelling of 1088873221 in words is "one billion, eighty-eight million, eight hundred seventy-three thousand, two hundred twenty-one".