64484228 has 6 divisors (see below), whose sum is σ = 112847406. Its totient is φ = 32242112.

The previous prime is 64484191. The next prime is 64484237. The reversal of 64484228 is 82248446.

It can be written as a sum of positive squares in only one way, i.e., 63234304 + 1249924 = 7952^2 + 1118^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64484191 and 64484200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8060525 + ... + 8060532.

It is an arithmetic number, because the mean of its divisors is an integer number (18807901).

Almost surely, 2^64484228 is an apocalyptic number.

It is an amenable number.

64484228 is a deficient number, since it is larger than the sum of its proper divisors (48363178).

64484228 is a wasteful number, since it uses less digits than its factorization.

64484228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16121061 (or 16121059 counting only the distinct ones).

The product of its digits is 98304, while the sum is 38.

The square root of 64484228 is about 8030.2072202403. The cubic root of 64484228 is about 401.0062747384.

The spelling of 64484228 in words is "sixty-four million, four hundred eighty-four thousand, two hundred twenty-eight".