22198766 has 8 divisors (see below), whose sum is σ = 33621744. Its totient is φ = 10991520.

The previous prime is 22198747. The next prime is 22198769. The reversal of 22198766 is 66789122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22198769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53675 + ... + 54086.

It is an arithmetic number, because the mean of its divisors is an integer number (4202718).

Almost surely, 2^22198766 is an apocalyptic number.

22198766 is a deficient number, since it is larger than the sum of its proper divisors (11422978).

22198766 is a wasteful number, since it uses less digits than its factorization.

22198766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107866.

The product of its digits is 72576, while the sum is 41.

The square root of 22198766 is about 4711.5566429790. The cubic root of 22198766 is about 281.0452682228.

The spelling of 22198766 in words is "twenty-two million, one hundred ninety-eight thousand, seven hundred sixty-six".