88665222 has 8 divisors (see below), whose sum is σ = 177330456. Its totient is φ = 29555072.

The previous prime is 88665221. The next prime is 88665263. The reversal of 88665222 is 22256688.

It is a sphenic number, since it is the product of 3 distinct primes.

88665222 is an admirable number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88665221) 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, 7388763 + ... + 7388774.

It is an arithmetic number, because the mean of its divisors is an integer number (22166307).

Almost surely, 2^88665222 is an apocalyptic number.

88665222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88665222 is a wasteful number, since it uses less digits than its factorization.

88665222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14777542.

The product of its digits is 92160, while the sum is 39.

The square root of 88665222 is about 9416.2212166028. The cubic root of 88665222 is about 445.9139940199.

The spelling of 88665222 in words is "eighty-eight million, six hundred sixty-five thousand, two hundred twenty-two".