89214228 has 18 divisors (see below), whose sum is σ = 225513834. Its totient is φ = 29738064.

The previous prime is 89214227. The next prime is 89214247. The reversal of 89214228 is 82241298.

It can be written as a sum of positive squares in only one way, i.e., 89075844 + 138384 = 9438^2 + 372^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2478173 = 89214228 / (8 + 9 + 2 + 1 + 4 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 89214192 and 89214201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89214227) 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 in 5 ways as a sum of consecutive naturals, for example, 1239051 + ... + 1239122.

Almost surely, 2^89214228 is an apocalyptic number.

It is an amenable number.

89214228 is an abundant number, since it is smaller than the sum of its proper divisors (136299606).

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

89214228 is a wasteful number, since it uses less digits than its factorization.

89214228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478183 (or 2478178 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 89214228 is about 9445.3283690934. The cubic root of 89214228 is about 446.8324522583.

The spelling of 89214228 in words is "eighty-nine million, two hundred fourteen thousand, two hundred twenty-eight".