22098859 has 4 divisors (see below), whose sum is σ = 22161816. Its totient is φ = 22035904.

The previous prime is 22098829. The next prime is 22098887. The reversal of 22098859 is 95889022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22098859 - 2⁹ = 22098347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22098809) 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, 30949 + ... + 31654.

It is an arithmetic number, because the mean of its divisors is an integer number (5540454).

Almost surely, 2^22098859 is an apocalyptic number.

22098859 is a deficient number, since it is larger than the sum of its proper divisors (62957).

22098859 is an equidigital number, since it uses as much as digits as its factorization.

22098859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62956.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 22098859 is about 4700.9423523375. The cubic root of 22098859 is about 280.6230132481.

The spelling of 22098859 in words is "twenty-two million, ninety-eight thousand, eight hundred fifty-nine".