4394022 has 16 divisors (see below), whose sum is σ = 9091440. Its totient is φ = 1414112.

The previous prime is 4394021. The next prime is 4394023. The reversal of 4394022 is 2204934.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4394021) and next prime (4394023).

It is a junction number, because it is equal to n+sod(n) for n = 4393983 and 4394001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12453 + ... + 12800.

It is an arithmetic number, because the mean of its divisors is an integer number (568215).

Almost surely, 2^4394022 is an apocalyptic number.

4394022 is an abundant number, since it is smaller than the sum of its proper divisors (4697418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4394022 is a wasteful number, since it uses less digits than its factorization.

4394022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25287.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4394022 is about 2096.1922621744. The cubic root of 4394022 is about 163.7900098415.

Adding to 4394022 its reverse (2204934), we get a palindrome (6598956).

The spelling of 4394022 in words is "four million, three hundred ninety-four thousand, twenty-two".