22097859 has 8 divisors (see below), whose sum is σ = 33672960. Its totient is φ = 12627336.

The previous prime is 22097851. The next prime is 22097879. The reversal of 22097859 is 95879022.

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

It is not a de Polignac number, because 22097859 - 2³ = 22097851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22097859.

It is not an unprimeable number, because it can be changed into a prime (22097851) 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 7 ways as a sum of consecutive naturals, for example, 526119 + ... + 526160.

It is an arithmetic number, because the mean of its divisors is an integer number (4209120).

Almost surely, 2^22097859 is an apocalyptic number.

22097859 is a deficient number, since it is larger than the sum of its proper divisors (11575101).

22097859 is a wasteful number, since it uses less digits than its factorization.

22097859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052289.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 22097859 is about 4700.8359894810. The cubic root of 22097859 is about 280.6187803411.

The spelling of 22097859 in words is "twenty-two million, ninety-seven thousand, eight hundred fifty-nine".