4004622 has 48 divisors (see below), whose sum is σ = 9603360. Its totient is φ = 1199616.

The previous prime is 4004617. The next prime is 4004629. The reversal of 4004622 is 2264004.

4004622 is a `hidden beast` number, since 40 + 0 + 4 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4004595 and 4004604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6754 + ... + 7322.

It is an arithmetic number, because the mean of its divisors is an integer number (200070).

Almost surely, 2^4004622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4004622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4801680).

4004622 is an abundant number, since it is smaller than the sum of its proper divisors (5598738).

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

4004622 is a wasteful number, since it uses less digits than its factorization.

4004622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4004622 is about 2001.1551663976. The cubic root of 4004622 is about 158.8012230595.

Adding to 4004622 its reverse (2264004), we get a palindrome (6268626).

The spelling of 4004622 in words is "four million, four thousand, six hundred twenty-two".