65223460 has 12 divisors (see below), whose sum is σ = 136969308. Its totient is φ = 26089376.

The previous prime is 65223449. The next prime is 65223461. The reversal of 65223460 is 6432256.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26956864 + 38266596 = 5192^2 + 6186^2 .

It is not an unprimeable number, because it can be changed into a prime (65223461) 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, 1630567 + ... + 1630606.

It is an arithmetic number, because the mean of its divisors is an integer number (11414109).

Almost surely, 2^65223460 is an apocalyptic number.

It is an amenable number.

65223460 is an abundant number, since it is smaller than the sum of its proper divisors (71745848).

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

65223460 is a wasteful number, since it uses less digits than its factorization.

65223460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261182 (or 3261180 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 65223460 is about 8076.1042588614. The cubic root of 65223460 is about 402.5328034168.

The spelling of 65223460 in words is "sixty-five million, two hundred twenty-three thousand, four hundred sixty".