88226681 has 4 divisors (see below), whose sum is σ = 88370292. Its totient is φ = 88083072.

The previous prime is 88226639. The next prime is 88226683. The reversal of 88226681 is 18662288.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31360000 + 56866681 = 5600^2 + 7541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88226681 is a prime.

It is a super-3 number, since 3×88226681³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88226683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70880 + ... + 72113.

It is an arithmetic number, because the mean of its divisors is an integer number (22092573).

Almost surely, 2^88226681 is an apocalyptic number.

It is an amenable number.

88226681 is a deficient number, since it is larger than the sum of its proper divisors (143611).

88226681 is a wasteful number, since it uses less digits than its factorization.

88226681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143610.

The product of its digits is 73728, while the sum is 41.

The square root of 88226681 is about 9392.9058868914. The cubic root of 88226681 is about 445.1776103711.

The spelling of 88226681 in words is "eighty-eight million, two hundred twenty-six thousand, six hundred eighty-one".