57223602 has 18 divisors (see below), whose sum is σ = 124054047. Its totient is φ = 19063836.

The previous prime is 57223601. The next prime is 57223619. The reversal of 57223602 is 20632275.

57223602 is a `hidden beast` number, since 57 + 2 + 2 + 3 + 602 = 666.

57223602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28611801 + 28611801 = 5349^2 + 5349^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5349.

It is not an unprimeable number, because it can be changed into a prime (57223601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31203 + ... + 32985.

Almost surely, 2^57223602 is an apocalyptic number.

57223602 is an abundant number, since it is smaller than the sum of its proper divisors (66830445).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57223602 is an equidigital number, since it uses as much as digits as its factorization.

57223602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 57223602 is about 7564.6283451337. The cubic root of 57223602 is about 385.3526919297.

Adding to 57223602 its reverse (20632275), we get a palindrome (77855877).

The spelling of 57223602 in words is "fifty-seven million, two hundred twenty-three thousand, six hundred two".