22146198 has 16 divisors (see below), whose sum is σ = 45820080. Its totient is φ = 7127456.

The previous prime is 22146197. The next prime is 22146199. The reversal of 22146198 is 89164122.

It is an interprime number because it is at equal distance from previous prime (22146197) and next prime (22146199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22146197) 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, 63465 + ... + 63812.

It is an arithmetic number, because the mean of its divisors is an integer number (2863755).

Almost surely, 2^22146198 is an apocalyptic number.

22146198 is an abundant number, since it is smaller than the sum of its proper divisors (23673882).

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

22146198 is a wasteful number, since it uses less digits than its factorization.

22146198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127311.

The product of its digits is 6912, while the sum is 33.

The square root of 22146198 is about 4705.9747130642. The cubic root of 22146198 is about 280.8232489009.

The spelling of 22146198 in words is "twenty-two million, one hundred forty-six thousand, one hundred ninety-eight".