88288281 has 6 divisors (see below), whose sum is σ = 127527530. Its totient is φ = 58858848.

The previous prime is 88288229. The next prime is 88288303. The reversal of 88288281 is 18288288.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 86490000 + 1798281 = 9300^2 + 1341^2 .

It is not a de Polignac number, because 88288281 - 2¹⁸ = 88026137 is a prime.

It is a super-2 number, since 2×88288281² = 15589641123869922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88288481) 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 in 5 ways as a sum of consecutive naturals, for example, 4904896 + ... + 4904913.

Almost surely, 2^88288281 is an apocalyptic number.

It is an amenable number.

88288281 is a deficient number, since it is larger than the sum of its proper divisors (39239249).

88288281 is a wasteful number, since it uses less digits than its factorization.

88288281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9809815 (or 9809812 counting only the distinct ones).

The product of its digits is 131072, while the sum is 45.

The square root of 88288281 is about 9396.1843851640. The cubic root of 88288281 is about 445.2811941575.

It can be divided in two parts, 88 and 288281, that added together give a square (288369 = 537²).

The spelling of 88288281 in words is "eighty-eight million, two hundred eighty-eight thousand, two hundred eighty-one".