66457022 has 16 divisors (see below), whose sum is σ = 105095760. Its totient is φ = 31430592.

The previous prime is 66456991. The next prime is 66457031. The reversal of 66457022 is 22075466.

It is a self number, because there is not a number n which added to its sum of digits gives 66457022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38408 + ... + 40100.

It is an arithmetic number, because the mean of its divisors is an integer number (6568485).

Almost surely, 2^66457022 is an apocalyptic number.

66457022 is a deficient number, since it is larger than the sum of its proper divisors (38638738).

66457022 is a wasteful number, since it uses less digits than its factorization.

66457022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 66457022 is about 8152.1176389942. The cubic root of 66457022 is about 405.0546529913.

The spelling of 66457022 in words is "sixty-six million, four hundred fifty-seven thousand, twenty-two".