65412228 has 24 divisors (see below), whose sum is σ = 174432832. Its totient is φ = 18689184.

The previous prime is 65412227. The next prime is 65412233. The reversal of 65412228 is 82221456.

It is a junction number, because it is equal to n+sod(n) for n = 65412195 and 65412204.

It is not an unprimeable number, because it can be changed into a prime (65412227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389275 + ... + 389442.

Almost surely, 2^65412228 is an apocalyptic number.

It is an amenable number.

65412228 is an abundant number, since it is smaller than the sum of its proper divisors (109020604).

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

65412228 is a wasteful number, since it uses less digits than its factorization.

65412228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778731 (or 778729 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 65412228 is about 8087.7826380288. The cubic root of 65412228 is about 402.9207626214.

The spelling of 65412228 in words is "sixty-five million, four hundred twelve thousand, two hundred twenty-eight".