22150143 has 12 divisors (see below), whose sum is σ = 33678840. Its totient is φ = 13989456.

The previous prime is 22150129. The next prime is 22150157. The reversal of 22150143 is 34105122.

It is an interprime number because it is at equal distance from previous prime (22150129) and next prime (22150157).

It is not a de Polignac number, because 22150143 - 2⁸ = 22149887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22150103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64596 + ... + 64937.

It is an arithmetic number, because the mean of its divisors is an integer number (2806570).

Almost surely, 2^22150143 is an apocalyptic number.

22150143 is a deficient number, since it is larger than the sum of its proper divisors (11528697).

22150143 is a wasteful number, since it uses less digits than its factorization.

22150143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129558 (or 129555 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22150143 is about 4706.3938424233. The cubic root of 22150143 is about 280.8399226725.

Adding to 22150143 its reverse (34105122), we get a palindrome (56255265).

The spelling of 22150143 in words is "twenty-two million, one hundred fifty thousand, one hundred forty-three".