22798538 has 8 divisors (see below), whose sum is σ = 39083232. Its totient is φ = 9770796.

The previous prime is 22798487. The next prime is 22798571. The reversal of 22798538 is 83589722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814220 + ... + 814247.

It is an arithmetic number, because the mean of its divisors is an integer number (4885404).

Almost surely, 2^22798538 is an apocalyptic number.

22798538 is a deficient number, since it is larger than the sum of its proper divisors (16284694).

22798538 is a wasteful number, since it uses less digits than its factorization.

22798538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628476.

The product of its digits is 241920, while the sum is 44.

The square root of 22798538 is about 4774.7814609676. The cubic root of 22798538 is about 283.5539267865.

The spelling of 22798538 in words is "twenty-two million, seven hundred ninety-eight thousand, five hundred thirty-eight".