22298142 has 16 divisors (see below), whose sum is σ = 45208080. Its totient is φ = 7330752.

The previous prime is 22298141. The next prime is 22298167. The reversal of 22298142 is 24189222.

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 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, 25017 + ... + 25892.

It is an arithmetic number, because the mean of its divisors is an integer number (2825505).

Almost surely, 2^22298142 is an apocalyptic number.

22298142 is an abundant number, since it is smaller than the sum of its proper divisors (22909938).

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

22298142 is a wasteful number, since it uses less digits than its factorization.

22298142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50987.

The product of its digits is 4608, while the sum is 30.

The square root of 22298142 is about 4722.0908504602. The cubic root of 22298142 is about 281.4640239562.

The spelling of 22298142 in words is "twenty-two million, two hundred ninety-eight thousand, one hundred forty-two".