88690228 has 24 divisors (see below), whose sum is σ = 169616160. Its totient is φ = 40242720.

The previous prime is 88690223. The next prime is 88690229. The reversal of 88690228 is 82209688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88690223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29775 + ... + 32617.

It is an arithmetic number, because the mean of its divisors is an integer number (7067340).

Almost surely, 2^88690228 is an apocalyptic number.

It is an amenable number.

88690228 is a deficient number, since it is larger than the sum of its proper divisors (80925932).

88690228 is a wasteful number, since it uses less digits than its factorization.

88690228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567 (or 3565 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 88690228 is about 9417.5489380199. The cubic root of 88690228 is about 445.9559100309.

The spelling of 88690228 in words is "eighty-eight million, six hundred ninety thousand, two hundred twenty-eight".