424422404 has 48 divisors (see below), whose sum is σ = 887943168. Its totient is φ = 173556768.

The previous prime is 424422389. The next prime is 424422407. The reversal of 424422404 is 404224424.

It is not an unprimeable number, because it can be changed into a prime (424422407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478049 + ... + 478935.

It is an arithmetic number, because the mean of its divisors is an integer number (18498816).

Almost surely, 2^424422404 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 424422404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443971584).

424422404 is an abundant number, since it is smaller than the sum of its proper divisors (463520764).

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

424422404 is a wasteful number, since it uses less digits than its factorization.

424422404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 424422404 is about 20601.5146045139. The cubic root of 424422404 is about 751.5065444794.

Adding to 424422404 its reverse (404224424), we get a palindrome (828646828).

The spelling of 424422404 in words is "four hundred twenty-four million, four hundred twenty-two thousand, four hundred four".