66748022 has 16 divisors (see below), whose sum is σ = 112748544. Its totient is φ = 29361000.

The previous prime is 66747979. The next prime is 66748067. The reversal of 66748022 is 22084766.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48254 + ... + 49617.

It is an arithmetic number, because the mean of its divisors is an integer number (7046784).

Almost surely, 2^66748022 is an apocalyptic number.

66748022 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66748022 is a deficient number, since it is larger than the sum of its proper divisors (46000522).

66748022 is a wasteful number, since it uses less digits than its factorization.

66748022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97915.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 66748022 is about 8169.9462666532. The cubic root of 66748022 is about 405.6450058469.

The spelling of 66748022 in words is "sixty-six million, seven hundred forty-eight thousand, twenty-two".