64912228 has 6 divisors (see below), whose sum is σ = 113596406. Its totient is φ = 32456112.

The previous prime is 64912219. The next prime is 64912277. The reversal of 64912228 is 82221946.

It can be written as a sum of positive squares in only one way, i.e., 62062884 + 2849344 = 7878^2 + 1688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64912193 and 64912202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8114025 + ... + 8114032.

Almost surely, 2^64912228 is an apocalyptic number.

It is an amenable number.

64912228 is a deficient number, since it is larger than the sum of its proper divisors (48684178).

64912228 is a wasteful number, since it uses less digits than its factorization.

64912228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16228061 (or 16228059 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 64912228 is about 8056.8125210905. The cubic root of 64912228 is about 401.8915163160.

The spelling of 64912228 in words is "sixty-four million, nine hundred twelve thousand, two hundred twenty-eight".