22198835 has 8 divisors (see below), whose sum is σ = 27288576. Its totient is φ = 17325760.

The previous prime is 22198819. The next prime is 22198837. The reversal of 22198835 is 53889122.

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

It is not a de Polignac number, because 22198835 - 2⁴ = 22198819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22198837) 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, 53939 + ... + 54348.

It is an arithmetic number, because the mean of its divisors is an integer number (3411072).

Almost surely, 2^22198835 is an apocalyptic number.

22198835 is a deficient number, since it is larger than the sum of its proper divisors (5089741).

22198835 is a wasteful number, since it uses less digits than its factorization.

22198835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108333.

The product of its digits is 34560, while the sum is 38.

The square root of 22198835 is about 4711.5639653941. The cubic root of 22198835 is about 281.0455594117.

The spelling of 22198835 in words is "twenty-two million, one hundred ninety-eight thousand, eight hundred thirty-five".