66414226 has 8 divisors (see below), whose sum is σ = 99667260. Its totient is φ = 33191808.

The previous prime is 66414211. The next prime is 66414239. The reversal of 66414226 is 62241466.

It can be written as a sum of positive squares in 2 ways, for example, as 65853225 + 561001 = 8115^2 + 749^2 .

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

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, 1111 + ... + 11578.

Almost surely, 2^66414226 is an apocalyptic number.

66414226 is a deficient number, since it is larger than the sum of its proper divisors (33253034).

66414226 is a wasteful number, since it uses less digits than its factorization.

66414226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15308.

The product of its digits is 13824, while the sum is 31.

The square root of 66414226 is about 8149.4923768294. The cubic root of 66414226 is about 404.9676873067.

The spelling of 66414226 in words is "sixty-six million, four hundred fourteen thousand, two hundred twenty-six".