22298143 has 8 divisors (see below), whose sum is σ = 25632288. Its totient is φ = 19001184.

The previous prime is 22298141. The next prime is 22298167. The reversal of 22298143 is 34189222.

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

It is a cyclic number.

It is not a de Polignac number, because 22298143 - 2¹ = 22298141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22298141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7996 + ... + 10417.

It is an arithmetic number, because the mean of its divisors is an integer number (3204036).

Almost surely, 2^22298143 is an apocalyptic number.

22298143 is a deficient number, since it is larger than the sum of its proper divisors (3334145).

22298143 is a wasteful number, since it uses less digits than its factorization.

22298143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18593.

The product of its digits is 6912, while the sum is 31.

The square root of 22298143 is about 4722.0909563455. The cubic root of 22298143 is about 281.4640281638.

The spelling of 22298143 in words is "twenty-two million, two hundred ninety-eight thousand, one hundred forty-three".