4578422 has 4 divisors (see below), whose sum is σ = 6867636. Its totient is φ = 2289210.

The previous prime is 4578407. The next prime is 4578437. The reversal of 4578422 is 2248754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2248754 = 2 ⋅1124377.

It is an interprime number because it is at equal distance from previous prime (4578407) and next prime (4578437).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144604 + ... + 1144607.

It is an arithmetic number, because the mean of its divisors is an integer number (1716909).

Almost surely, 2^4578422 is an apocalyptic number.

4578422 is a deficient number, since it is larger than the sum of its proper divisors (2289214).

4578422 is a wasteful number, since it uses less digits than its factorization.

4578422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289213.

The product of its digits is 17920, while the sum is 32.

The square root of 4578422 is about 2139.7247486534. The cubic root of 4578422 is about 166.0498954865.

The spelling of 4578422 in words is "four million, five hundred seventy-eight thousand, four hundred twenty-two".