4257822 has 16 divisors (see below), whose sum is σ = 8536320. Its totient is φ = 1415832.

The previous prime is 4257821. The next prime is 4257833. The reversal of 4257822 is 2287524.

It is a self number, because there is not a number n which added to its sum of digits gives 4257822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3579 + ... + 4617.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 2^4257822 is an apocalyptic number.

4257822 is an abundant number, since it is smaller than the sum of its proper divisors (4278498).

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

4257822 is a wasteful number, since it uses less digits than its factorization.

4257822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727.

The product of its digits is 8960, while the sum is 30.

The square root of 4257822 is about 2063.4490543747. The cubic root of 4257822 is about 162.0799026654.

The spelling of 4257822 in words is "four million, two hundred fifty-seven thousand, eight hundred twenty-two".