57822249 has 4 divisors (see below), whose sum is σ = 77096336. Its totient is φ = 38548164.

The previous prime is 57822227. The next prime is 57822251. The reversal of 57822249 is 94222875.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57822249 - 2¹¹ = 57820201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57822649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9637039 + ... + 9637044.

It is an arithmetic number, because the mean of its divisors is an integer number (19274084).

Almost surely, 2^57822249 is an apocalyptic number.

It is an amenable number.

57822249 is a deficient number, since it is larger than the sum of its proper divisors (19274087).

57822249 is a wasteful number, since it uses less digits than its factorization.

57822249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19274086.

The product of its digits is 80640, while the sum is 39.

The square root of 57822249 is about 7604.0942261390. The cubic root of 57822249 is about 386.6918271215.

The spelling of 57822249 in words is "fifty-seven million, eight hundred twenty-two thousand, two hundred forty-nine".