57310222 has 8 divisors (see below), whose sum is σ = 86057136. Its totient is φ = 28624512.

The previous prime is 57310207. The next prime is 57310241. The reversal of 57310222 is 22201375.

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

It is a junction number, because it is equal to n+sod(n) for n = 57310193 and 57310202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12883 + ... + 16750.

It is an arithmetic number, because the mean of its divisors is an integer number (10757142).

Almost surely, 2^57310222 is an apocalyptic number.

57310222 is a deficient number, since it is larger than the sum of its proper divisors (28746914).

57310222 is a wasteful number, since it uses less digits than its factorization.

57310222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30602.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 57310222 is about 7570.3515109934. The cubic root of 57310222 is about 385.5470314503.

Adding to 57310222 its reverse (22201375), we get a palindrome (79511597).

The spelling of 57310222 in words is "fifty-seven million, three hundred ten thousand, two hundred twenty-two".