4422878 has 4 divisors (see below), whose sum is σ = 6634320. Its totient is φ = 2211438.

The previous prime is 4422857. The next prime is 4422881. The reversal of 4422878 is 8782244.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105718 + ... + 1105721.

It is an arithmetic number, because the mean of its divisors is an integer number (1658580).

Almost surely, 2^4422878 is an apocalyptic number.

4422878 is a deficient number, since it is larger than the sum of its proper divisors (2211442).

4422878 is a wasteful number, since it uses less digits than its factorization.

4422878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211441.

The product of its digits is 28672, while the sum is 35.

The square root of 4422878 is about 2103.0639552805. The cubic root of 4422878 is about 164.1477698480.

It can be divided in two parts, 44 and 22878, that added together give a palindrome (22922).

The spelling of 4422878 in words is "four million, four hundred twenty-two thousand, eight hundred seventy-eight".