4227457 has 4 divisors (see below), whose sum is σ = 4552660. Its totient is φ = 3902256.

The previous prime is 4227451. The next prime is 4227491. The reversal of 4227457 is 7547224.

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 2808976 + 1418481 = 1676^2 + 1191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4227457 is a prime.

It is a d-powerful number, because it can be written as 4³ + 2¹⁴ + 2²² + 7 + 4⁵ + 5⁶ + 7² .

It is a Duffinian number.

4227457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4227451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162582 + ... + 162607.

It is an arithmetic number, because the mean of its divisors is an integer number (1138165).

Almost surely, 2^4227457 is an apocalyptic number.

It is an amenable number.

4227457 is a deficient number, since it is larger than the sum of its proper divisors (325203).

4227457 is a wasteful number, since it uses less digits than its factorization.

4227457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325202.

The product of its digits is 15680, while the sum is 31.

The square root of 4227457 is about 2056.0780627204. The cubic root of 4227457 is about 161.6936878111.

The spelling of 4227457 in words is "four million, two hundred twenty-seven thousand, four hundred fifty-seven".