66265622 has 8 divisors (see below), whose sum is σ = 103720176. Its totient is φ = 31692232.

The previous prime is 66265579. The next prime is 66265627. The reversal of 66265622 is 22656266.

66265622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×66265622² = 8782265318093768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66265627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720233 + ... + 720324.

It is an arithmetic number, because the mean of its divisors is an integer number (12965022).

Almost surely, 2^66265622 is an apocalyptic number.

66265622 is a deficient number, since it is larger than the sum of its proper divisors (37454554).

66265622 is a wasteful number, since it uses less digits than its factorization.

66265622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440582.

The product of its digits is 51840, while the sum is 35.

The square root of 66265622 is about 8140.3698933157. The cubic root of 66265622 is about 404.6654189400.

The spelling of 66265622 in words is "sixty-six million, two hundred sixty-five thousand, six hundred twenty-two".