22798379 has 4 divisors (see below), whose sum is σ = 23584560. Its totient is φ = 22012200.

The previous prime is 22798319. The next prime is 22798381. The reversal of 22798379 is 97389722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97389722 = 2 ⋅48694861.

It is a cyclic number.

It is not a de Polignac number, because 22798379 - 2¹² = 22794283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22798319) by changing a digit.

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, 393047 + ... + 393104.

It is an arithmetic number, because the mean of its divisors is an integer number (5896140).

Almost surely, 2^22798379 is an apocalyptic number.

22798379 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22798379 is a deficient number, since it is larger than the sum of its proper divisors (786181).

22798379 is an equidigital number, since it uses as much as digits as its factorization.

22798379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786180.

The product of its digits is 381024, while the sum is 47.

The square root of 22798379 is about 4774.7648109619. The cubic root of 22798379 is about 283.5532676042.

The spelling of 22798379 in words is "twenty-two million, seven hundred ninety-eight thousand, three hundred seventy-nine".