22504798 has 4 divisors (see below), whose sum is σ = 33757200. Its totient is φ = 11252398.

The previous prime is 22504793. The next prime is 22504837. The reversal of 22504798 is 89740522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89740522 = 2 ⋅44870261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22504793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5626198 + ... + 5626201.

It is an arithmetic number, because the mean of its divisors is an integer number (8439300).

Almost surely, 2^22504798 is an apocalyptic number.

22504798 is a deficient number, since it is larger than the sum of its proper divisors (11252402).

22504798 is a wasteful number, since it uses less digits than its factorization.

22504798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11252401.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 22504798 is about 4743.9222169003. The cubic root of 22504798 is about 282.3308743086.

The spelling of 22504798 in words is "twenty-two million, five hundred four thousand, seven hundred ninety-eight".