66427022 has 4 divisors (see below), whose sum is σ = 99640536. Its totient is φ = 33213510.

The previous prime is 66426953. The next prime is 66427037. The reversal of 66427022 is 22072466.

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, 16606754 + ... + 16606757.

It is an arithmetic number, because the mean of its divisors is an integer number (24910134).

Almost surely, 2^66427022 is an apocalyptic number.

66427022 is a deficient number, since it is larger than the sum of its proper divisors (33213514).

66427022 is a wasteful number, since it uses less digits than its factorization.

66427022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33213513.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 66427022 is about 8150.2774185913. The cubic root of 66427022 is about 404.9936939525.

Adding to 66427022 its reverse (22072466), we get a palindrome (88499488).

The spelling of 66427022 in words is "sixty-six million, four hundred twenty-seven thousand, twenty-two".