65523228 has 48 divisors (see below), whose sum is σ = 163274496. Its totient is φ = 20401920.

The previous prime is 65523223. The next prime is 65523233. The reversal of 65523228 is 82232556.

It is an interprime number because it is at equal distance from previous prime (65523223) and next prime (65523233).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65523221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9108 + ... + 14628.

It is an arithmetic number, because the mean of its divisors is an integer number (3401552).

Almost surely, 2^65523228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65523228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81637248).

65523228 is an abundant number, since it is smaller than the sum of its proper divisors (97751268).

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

65523228 is a wasteful number, since it uses less digits than its factorization.

65523228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594 (or 5592 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 65523228 is about 8094.6419315495. The cubic root of 65523228 is about 403.1485433278.

The spelling of 65523228 in words is "sixty-five million, five hundred twenty-three thousand, two hundred twenty-eight".