22143122 has 8 divisors (see below), whose sum is σ = 33759372. Its totient is φ = 10890000.

The previous prime is 22143119. The next prime is 22143127. The reversal of 22143122 is 22134122.

It can be written as a sum of positive squares in 2 ways, for example, as 22005481 + 137641 = 4691^2 + 371^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22143122.

It is not an unprimeable number, because it can be changed into a prime (22143127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90629 + ... + 90872.

Almost surely, 2^22143122 is an apocalyptic number.

22143122 is a deficient number, since it is larger than the sum of its proper divisors (11616250).

22143122 is a wasteful number, since it uses less digits than its factorization.

22143122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181564.

The product of its digits is 192, while the sum is 17.

The square root of 22143122 is about 4705.6478831294. The cubic root of 22143122 is about 280.8102466344.

Adding to 22143122 its reverse (22134122), we get a palindrome (44277244).

The spelling of 22143122 in words is "twenty-two million, one hundred forty-three thousand, one hundred twenty-two".