4422637404 has 72 divisors (see below), whose sum is σ = 11506360320. Its totient is φ = 1431708192.

The previous prime is 4422637403. The next prime is 4422637411. The reversal of 4422637404 is 4047362244.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4422637403) 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, 163749 + ... + 188835.

It is an arithmetic number, because the mean of its divisors is an integer number (159810560).

Almost surely, 2^4422637404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4422637404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5753180160).

4422637404 is an abundant number, since it is smaller than the sum of its proper divisors (7083722916).

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

4422637404 is a wasteful number, since it uses less digits than its factorization.

4422637404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25239 (or 25234 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 36.

The square root of 4422637404 is about 66502.9127482398. The cubic root of 4422637404 is about 1641.4479335375.

Adding to 4422637404 its reverse (4047362244), we get a palindrome (8469999648).

The spelling of 4422637404 in words is "four billion, four hundred twenty-two million, six hundred thirty-seven thousand, four hundred four".