4222457 has 4 divisors (see below), whose sum is σ = 4302180. Its totient is φ = 4142736.

The previous prime is 4222399. The next prime is 4222483. The reversal of 4222457 is 7542224.

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 2637376 + 1585081 = 1624^2 + 1259^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222457 - 2¹⁰ = 4221433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4222657) 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, 39782 + ... + 39887.

It is an arithmetic number, because the mean of its divisors is an integer number (1075545).

Almost surely, 2^4222457 is an apocalyptic number.

It is an amenable number.

4222457 is a deficient number, since it is larger than the sum of its proper divisors (79723).

4222457 is an equidigital number, since it uses as much as digits as its factorization.

4222457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79722.

The product of its digits is 4480, while the sum is 26.

The square root of 4222457 is about 2054.8617958393. The cubic root of 4222457 is about 161.6299152416.

The spelling of 4222457 in words is "four million, two hundred twenty-two thousand, four hundred fifty-seven".