22198326 has 8 divisors (see below), whose sum is σ = 44396664. Its totient is φ = 7399440.

The previous prime is 22198321. The next prime is 22198331. The reversal of 22198326 is 62389122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22198321) and next prime (22198331).

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

22198326 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22198321) 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, 1849855 + ... + 1849866.

It is an arithmetic number, because the mean of its divisors is an integer number (5549583).

Almost surely, 2^22198326 is an apocalyptic number.

22198326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22198326 is a wasteful number, since it uses less digits than its factorization.

22198326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699726.

The product of its digits is 10368, while the sum is 33.

The square root of 22198326 is about 4711.5099490503. The cubic root of 22198326 is about 281.0434113518.

The spelling of 22198326 in words is "twenty-two million, one hundred ninety-eight thousand, three hundred twenty-six".