210144323422 has 32 divisors (see below), whose sum is σ = 358861238784. Its totient is φ = 91357490400.

The previous prime is 210144323381. The next prime is 210144323461. The reversal of 210144323422 is 224323441012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7067647 + ... + 7097317.

It is an arithmetic number, because the mean of its divisors is an integer number (11214413712).

Almost surely, 2^210144323422 is an apocalyptic number.

210144323422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210144323422 is a deficient number, since it is larger than the sum of its proper divisors (148716915362).

210144323422 is a wasteful number, since it uses less digits than its factorization.

210144323422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43704.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 210144323422 its reverse (224323441012), we get a palindrome (434467764434).

The spelling of 210144323422 in words is "two hundred ten billion, one hundred forty-four million, three hundred twenty-three thousand, four hundred twenty-two".