57146722 has 16 divisors (see below), whose sum is σ = 89036280. Its totient is φ = 27485568.

The previous prime is 57146681. The next prime is 57146753. The reversal of 57146722 is 22764175.

It can be written as a sum of positive squares in 4 ways, for example, as 46117681 + 11029041 = 6791^2 + 3321^2 .

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, 2248 + ... + 10924.

Almost surely, 2^57146722 is an apocalyptic number.

57146722 is a deficient number, since it is larger than the sum of its proper divisors (31889558).

57146722 is a wasteful number, since it uses less digits than its factorization.

57146722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8805.

The product of its digits is 23520, while the sum is 34.

The square root of 57146722 is about 7559.5450921335. The cubic root of 57146722 is about 385.1800406033.

The spelling of 57146722 in words is "fifty-seven million, one hundred forty-six thousand, seven hundred twenty-two".