39228066 has 24 divisors (see below), whose sum is σ = 87292764. Its totient is φ = 12722400.

The previous prime is 39228053. The next prime is 39228067. The reversal of 39228066 is 66082293.

It can be written as a sum of positive squares in 2 ways, for example, as 39125025 + 103041 = 6255^2 + 321^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39228066.

It is not an unprimeable number, because it can be changed into a prime (39228067) 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 11 ways as a sum of consecutive naturals, for example, 28785 + ... + 30116.

Almost surely, 2^39228066 is an apocalyptic number.

39228066 is an abundant number, since it is smaller than the sum of its proper divisors (48064698).

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

39228066 is a wasteful number, since it uses less digits than its factorization.

39228066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58946 (or 58943 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 39228066 is about 6263.2312746696. The cubic root of 39228066 is about 339.7809026725.

The spelling of 39228066 in words is "thirty-nine million, two hundred twenty-eight thousand, sixty-six".