88228321 has 4 divisors (see below), whose sum is σ = 88273152. Its totient is φ = 88183492.

The previous prime is 88228307. The next prime is 88228331. The reversal of 88228321 is 12382288.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88228321 - 2⁵ = 88228289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88228331) 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, 19321 + ... + 23446.

It is an arithmetic number, because the mean of its divisors is an integer number (22068288).

Almost surely, 2^88228321 is an apocalyptic number.

It is an amenable number.

88228321 is a deficient number, since it is larger than the sum of its proper divisors (44831).

88228321 is a wasteful number, since it uses less digits than its factorization.

88228321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44830.

The product of its digits is 12288, while the sum is 34.

The square root of 88228321 is about 9392.9931864129. The cubic root of 88228321 is about 445.1803687459.

The spelling of 88228321 in words is "eighty-eight million, two hundred twenty-eight thousand, three hundred twenty-one".