22143145210 has 8 divisors (see below), whose sum is σ = 39857661396. Its totient is φ = 8857258080.

The previous prime is 22143145187. The next prime is 22143145223. The reversal of 22143145210 is 1254134122.

It can be written as a sum of positive squares in 2 ways, for example, as 19795645809 + 2347499401 = 140697^2 + 48451^2 .

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

It is a super-2 number, since 2×22143145210² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107157251 + ... + 1107157270.

Almost surely, 2^22143145210 is an apocalyptic number.

22143145210 is a deficient number, since it is larger than the sum of its proper divisors (17714516186).

22143145210 is a wasteful number, since it uses less digits than its factorization.

22143145210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214314528.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 22143145210 its reverse (1254134122), we get a palindrome (23397279332).

The spelling of 22143145210 in words is "twenty-two billion, one hundred forty-three million, one hundred forty-five thousand, two hundred ten".