88222289 has 4 divisors (see below), whose sum is σ = 88245300. Its totient is φ = 88199280.

The previous prime is 88222279. The next prime is 88222291. The reversal of 88222289 is 98222288.

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 56130064 + 32092225 = 7492^2 + 5665^2 .

It is a cyclic number.

It is not a de Polignac number, because 88222289 - 2¹⁶ = 88156753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88222279) 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, 4214 + ... + 13935.

It is an arithmetic number, because the mean of its divisors is an integer number (22061325).

Almost surely, 2^88222289 is an apocalyptic number.

It is an amenable number.

88222289 is a deficient number, since it is larger than the sum of its proper divisors (23011).

88222289 is a wasteful number, since it uses less digits than its factorization.

88222289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23010.

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

The square root of 88222289 is about 9392.6720905182. The cubic root of 88222289 is about 445.1702231405.

Subtracting 88222289 from its reverse (98222288), we obtain a palindrome (9999999).

It can be divided in two parts, 8822 and 2289, that added together give a palindrome (11111).

The spelling of 88222289 in words is "eighty-eight million, two hundred twenty-two thousand, two hundred eighty-nine".