4228957 has 4 divisors (see below), whose sum is σ = 4237596. Its totient is φ = 4220320.

The previous prime is 4228951. The next prime is 4228979. The reversal of 4228957 is 7598224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2643876 + 1585081 = 1626^2 + 1259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4228957 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2⁹ + 2¹⁵ + 8³ + 9³ + 5³ + 7 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228951) 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, 3538 + ... + 4579.

It is an arithmetic number, because the mean of its divisors is an integer number (1059399).

Almost surely, 2^4228957 is an apocalyptic number.

It is an amenable number.

4228957 is a deficient number, since it is larger than the sum of its proper divisors (8639).

4228957 is an equidigital number, since it uses as much as digits as its factorization.

4228957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8638.

The product of its digits is 40320, while the sum is 37.

The square root of 4228957 is about 2056.4428025112. The cubic root of 4228957 is about 161.7128097758.

The spelling of 4228957 in words is "four million, two hundred twenty-eight thousand, nine hundred fifty-seven".