22407404 has 12 divisors (see below), whose sum is σ = 39253704. Its totient is φ = 11192064.

The previous prime is 22407379. The next prime is 22407439. The reversal of 22407404 is 40470422.

It is a self number, because there is not a number n which added to its sum of digits gives 22407404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2567 + ... + 7169.

It is an arithmetic number, because the mean of its divisors is an integer number (3271142).

Almost surely, 2^22407404 is an apocalyptic number.

It is an amenable number.

22407404 is a deficient number, since it is larger than the sum of its proper divisors (16846300).

22407404 is a wasteful number, since it uses less digits than its factorization.

22407404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824 (or 5822 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 22407404 is about 4733.6459521177. The cubic root of 22407404 is about 281.9230043135.

Adding to 22407404 its reverse (40470422), we get a palindrome (62877826).

The spelling of 22407404 in words is "twenty-two million, four hundred seven thousand, four hundred four".