66075226 has 36 divisors (see below), whose sum is σ = 122527998. Its totient is φ = 26640768.

The previous prime is 66075223. The next prime is 66075241. The reversal of 66075226 is 62257066.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 64016001 + 2059225 = 8001^2 + 1435^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 66075191 and 66075200.

It is not an unprimeable number, because it can be changed into a prime (66075223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27156 + ... + 29488.

Almost surely, 2^66075226 is an apocalyptic number.

66075226 is a deficient number, since it is larger than the sum of its proper divisors (56452772).

66075226 is a wasteful number, since it uses less digits than its factorization.

66075226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 66075226 is about 8128.6669263785. Note that the first 3 decimals coincide. The cubic root of 66075226 is about 404.2774823117.

The spelling of 66075226 in words is "sixty-six million, seventy-five thousand, two hundred twenty-six".