57740222 has 4 divisors (see below), whose sum is σ = 86610336. Its totient is φ = 28870110.

The previous prime is 57740203. The next prime is 57740227. The reversal of 57740222 is 22204775.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57740227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14435054 + ... + 14435057.

It is an arithmetic number, because the mean of its divisors is an integer number (21652584).

Almost surely, 2^57740222 is an apocalyptic number.

57740222 is a deficient number, since it is larger than the sum of its proper divisors (28870114).

57740222 is a wasteful number, since it uses less digits than its factorization.

57740222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28870113.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 57740222 is about 7598.6987043835. The cubic root of 57740222 is about 386.5088861147.

Adding to 57740222 its reverse (22204775), we get a palindrome (79944997).

The spelling of 57740222 in words is "fifty-seven million, seven hundred forty thousand, two hundred twenty-two".