66532226 has 8 divisors (see below), whose sum is σ = 100056060. Its totient is φ = 33180208.

The previous prime is 66532201. The next prime is 66532241. The reversal of 66532226 is 62223566.

It can be written as a sum of positive squares in 2 ways, for example, as 66406201 + 126025 = 8149^2 + 355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66532192 and 66532201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41981 + ... + 43536.

Almost surely, 2^66532226 is an apocalyptic number.

66532226 is a deficient number, since it is larger than the sum of its proper divisors (33523834).

66532226 is a wasteful number, since it uses less digits than its factorization.

66532226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85908.

The product of its digits is 25920, while the sum is 32.

The square root of 66532226 is about 8156.7288786621. The cubic root of 66532226 is about 405.2073845165.

The spelling of 66532226 in words is "sixty-six million, five hundred thirty-two thousand, two hundred twenty-six".