66422052 has 24 divisors (see below), whose sum is σ = 172205600. Its totient is φ = 22140648.

The previous prime is 66422039. The next prime is 66422063. The reversal of 66422052 is 25022466.

66422052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 307402 + ... + 307617.

Almost surely, 2^66422052 is an apocalyptic number.

It is an amenable number.

66422052 is an abundant number, since it is smaller than the sum of its proper divisors (105783548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66422052 is a wasteful number, since it uses less digits than its factorization.

66422052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615032 (or 615024 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 66422052 is about 8149.9725152911. The cubic root of 66422052 is about 404.9835932997.

The spelling of 66422052 in words is "sixty-six million, four hundred twenty-two thousand, fifty-two".