57201922 has 8 divisors (see below), whose sum is σ = 86013900. Its totient is φ = 28530624.

The previous prime is 57201899. The next prime is 57201979. The reversal of 57201922 is 22910275.

It can be written as a sum of positive squares in 2 ways, for example, as 56866681 + 335241 = 7541^2 + 579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34147 + ... + 35782.

Almost surely, 2^57201922 is an apocalyptic number.

57201922 is a deficient number, since it is larger than the sum of its proper divisors (28811978).

57201922 is a wasteful number, since it uses less digits than its factorization.

57201922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70340.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 57201922 is about 7563.1952242422. The cubic root of 57201922 is about 385.3040202781.

The spelling of 57201922 in words is "fifty-seven million, two hundred one thousand, nine hundred twenty-two".