4457422 has 4 divisors (see below), whose sum is σ = 6686136. Its totient is φ = 2228710.

The previous prime is 4457413. The next prime is 4457429. The reversal of 4457422 is 2247544.

It is a happy number.

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

It is a super-2 number, since 2×4457422² = 39737221772168, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁴ + 4⁹ + 5³ + 7² + 4¹¹ + 2⁵ + 2⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4457429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114354 + ... + 1114357.

It is an arithmetic number, because the mean of its divisors is an integer number (1671534).

Almost surely, 2^4457422 is an apocalyptic number.

4457422 is a deficient number, since it is larger than the sum of its proper divisors (2228714).

4457422 is a wasteful number, since it uses less digits than its factorization.

4457422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228713.

The product of its digits is 8960, while the sum is 28.

The square root of 4457422 is about 2111.2607607778. The cubic root of 4457422 is about 164.5740098049.

The spelling of 4457422 in words is "four million, four hundred fifty-seven thousand, four hundred twenty-two".