4378022 has 24 divisors (see below), whose sum is σ = 7341600. Its totient is φ = 1956240.

The previous prime is 4378019. The next prime is 4378057. The reversal of 4378022 is 2208734.

It is a junction number, because it is equal to n+sod(n) for n = 4377982 and 4378000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19004 + ... + 19232.

It is an arithmetic number, because the mean of its divisors is an integer number (305900).

Almost surely, 2^4378022 is an apocalyptic number.

4378022 is a deficient number, since it is larger than the sum of its proper divisors (2963578).

4378022 is a wasteful number, since it uses less digits than its factorization.

4378022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 4378022 is about 2092.3723378022. The cubic root of 4378022 is about 163.5909646036.

The spelling of 4378022 in words is "four million, three hundred seventy-eight thousand, twenty-two".