4004222 has 8 divisors (see below), whose sum is σ = 6037416. Its totient is φ = 1991752.

The previous prime is 4004219. The next prime is 4004227. The reversal of 4004222 is 2224004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4004197 and 4004206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4688 + ... + 5475.

It is an arithmetic number, because the mean of its divisors is an integer number (754677).

Almost surely, 2^4004222 is an apocalyptic number.

4004222 is a deficient number, since it is larger than the sum of its proper divisors (2033194).

4004222 is a wasteful number, since it uses less digits than its factorization.

4004222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4004222 is about 2001.0552216268. The cubic root of 4004222 is about 158.7959356188.

Adding to 4004222 its reverse (2224004), we get a palindrome (6228226).

It can be divided in two parts, 4004 and 222, that multiplied together give a palindrome (888888).

The spelling of 4004222 in words is "four million, four thousand, two hundred twenty-two".