89225628 has 36 divisors (see below), whose sum is σ = 210300552. Its totient is φ = 29443680.

The previous prime is 89225627. The next prime is 89225677. The reversal of 89225628 is 82652298.

It is a super-2 number, since 2×89225628² = 15922425383988768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89225628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89225621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193318 + ... + 193778.

It is an arithmetic number, because the mean of its divisors is an integer number (5841682).

Almost surely, 2^89225628 is an apocalyptic number.

It is an amenable number.

89225628 is an abundant number, since it is smaller than the sum of its proper divisors (121074924).

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

89225628 is a wasteful number, since it uses less digits than its factorization.

89225628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 593 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 89225628 is about 9445.9318227478. The cubic root of 89225628 is about 446.8514838751.

The spelling of 89225628 in words is "eighty-nine million, two hundred twenty-five thousand, six hundred twenty-eight".