88840228 has 6 divisors (see below), whose sum is σ = 155470406. Its totient is φ = 44420112.

The previous prime is 88840223. The next prime is 88840231. The reversal of 88840228 is 82204888.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 71267364 + 17572864 = 8442^2 + 4192^2 .

It is a super-2 number, since 2×88840228² = 15785172222183968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88840223) 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 as a sum of consecutive naturals, namely, 11105025 + ... + 11105032.

Almost surely, 2^88840228 is an apocalyptic number.

It is an amenable number.

88840228 is a deficient number, since it is larger than the sum of its proper divisors (66630178).

88840228 is a wasteful number, since it uses less digits than its factorization.

88840228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22210061 (or 22210059 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 88840228 is about 9425.5094292033. The cubic root of 88840228 is about 446.2071805169.

The spelling of 88840228 in words is "eighty-eight million, eight hundred forty thousand, two hundred twenty-eight".