22401304 has 16 divisors (see below), whose sum is σ = 44213400. Its totient is φ = 10611072.

The previous prime is 22401299. The next prime is 22401331. The reversal of 22401304 is 40310422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73537 + ... + 73840.

Almost surely, 2^22401304 is an apocalyptic number.

It is an amenable number.

22401304 is a deficient number, since it is larger than the sum of its proper divisors (21812096).

22401304 is a wasteful number, since it uses less digits than its factorization.

22401304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147402 (or 147398 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22401304 is about 4733.0015846184. The cubic root of 22401304 is about 281.8974192226.

Adding to 22401304 its reverse (40310422), we get a palindrome (62711726).

The spelling of 22401304 in words is "twenty-two million, four hundred one thousand, three hundred four".