66022575 has 12 divisors (see below), whose sum is σ = 109157448. Its totient is φ = 35212000.

The previous prime is 66022571. The next prime is 66022633. The reversal of 66022575 is 57522066.

It is not a de Polignac number, because 66022575 - 2² = 66022571 is a prime.

It is a super-3 number, since 3×66022575³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66022571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440076 + ... + 440225.

It is an arithmetic number, because the mean of its divisors is an integer number (9096454).

Almost surely, 2^66022575 is an apocalyptic number.

66022575 is a deficient number, since it is larger than the sum of its proper divisors (43134873).

66022575 is a wasteful number, since it uses less digits than its factorization.

66022575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880314 (or 880309 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 66022575 is about 8125.4276810516. The cubic root of 66022575 is about 404.1700730692.

The spelling of 66022575 in words is "sixty-six million, twenty-two thousand, five hundred seventy-five".