66422102 has 4 divisors (see below), whose sum is σ = 99633156. Its totient is φ = 33211050.

The previous prime is 66422089. The next prime is 66422117. The reversal of 66422102 is 20122466.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16605524 + ... + 16605527.

It is an arithmetic number, because the mean of its divisors is an integer number (24908289).

Almost surely, 2^66422102 is an apocalyptic number.

66422102 is a deficient number, since it is larger than the sum of its proper divisors (33211054).

66422102 is a wasteful number, since it uses less digits than its factorization.

66422102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33211053.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 66422102 is about 8149.9755827855. The cubic root of 66422102 is about 404.9836949184.

Adding to 66422102 its reverse (20122466), we get a palindrome (86544568).

The spelling of 66422102 in words is "sixty-six million, four hundred twenty-two thousand, one hundred two".