57320422 has 4 divisors (see below), whose sum is σ = 85980636. Its totient is φ = 28660210.

The previous prime is 57320411. The next prime is 57320423. The reversal of 57320422 is 22402375.

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 (57320423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14330104 + ... + 14330107.

It is an arithmetic number, because the mean of its divisors is an integer number (21495159).

Almost surely, 2^57320422 is an apocalyptic number.

57320422 is a deficient number, since it is larger than the sum of its proper divisors (28660214).

57320422 is a wasteful number, since it uses less digits than its factorization.

57320422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28660213.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 57320422 is about 7571.0251617598. The cubic root of 57320422 is about 385.5699031493.

Adding to 57320422 its reverse (22402375), we get a palindrome (79722797).

The spelling of 57320422 in words is "fifty-seven million, three hundred twenty thousand, four hundred twenty-two".