64055228 has 12 divisors (see below), whose sum is σ = 112524720. Its totient is φ = 31905312.

The previous prime is 64055221. The next prime is 64055281. The reversal of 64055228 is 82255046.

It is a junction number, because it is equal to n+sod(n) for n = 64055194 and 64055203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64055221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29393 + ... + 31496.

It is an arithmetic number, because the mean of its divisors is an integer number (9377060).

Almost surely, 2^64055228 is an apocalyptic number.

It is an amenable number.

64055228 is a deficient number, since it is larger than the sum of its proper divisors (48469492).

64055228 is a wasteful number, since it uses less digits than its factorization.

64055228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61156 (or 61154 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 64055228 is about 8003.4510056600. The cubic root of 64055228 is about 400.1150252531.

The spelling of 64055228 in words is "sixty-four million, fifty-five thousand, two hundred twenty-eight".