65552228 has 24 divisors (see below), whose sum is σ = 135335424. Its totient is φ = 27187200.

The previous prime is 65552213. The next prime is 65552239. The reversal of 65552228 is 82225556.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36893 + ... + 38628.

It is an arithmetic number, because the mean of its divisors is an integer number (5638976).

Almost surely, 2^65552228 is an apocalyptic number.

It is an amenable number.

65552228 is an abundant number, since it is smaller than the sum of its proper divisors (69783196).

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

65552228 is a wasteful number, since it uses less digits than its factorization.

65552228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75563 (or 75561 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 65552228 is about 8096.4330417783. The cubic root of 65552228 is about 403.2080112128.

The spelling of 65552228 in words is "sixty-five million, five hundred fifty-two thousand, two hundred twenty-eight".