22033143 has 12 divisors (see below), whose sum is σ = 34719048. Its totient is φ = 13353360.

The previous prime is 22033133. The next prime is 22033147. The reversal of 22033143 is 34133022.

It is not a de Polignac number, because 22033143 - 2⁵ = 22033111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033147) 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 11 ways as a sum of consecutive naturals, for example, 111180 + ... + 111377.

It is an arithmetic number, because the mean of its divisors is an integer number (2893254).

Almost surely, 2^22033143 is an apocalyptic number.

22033143 is a deficient number, since it is larger than the sum of its proper divisors (12685905).

22033143 is a wasteful number, since it uses less digits than its factorization.

22033143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222574 (or 222571 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 22033143 is about 4693.9474858588. The cubic root of 22033143 is about 280.3445715403.

Adding to 22033143 its reverse (34133022), we get a palindrome (56166165).

The spelling of 22033143 in words is "twenty-two million, thirty-three thousand, one hundred forty-three".