210444122 has 24 divisors (see below), whose sum is σ = 388806804. Its totient is φ = 84884352.

The previous prime is 210444121. The next prime is 210444161. The reversal of 210444122 is 221444012.

It can be written as a sum of positive squares in 2 ways, for example, as 208542481 + 1901641 = 14441^2 + 1379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210444094 and 210444103.

It is not an unprimeable number, because it can be changed into a prime (210444121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61493 + ... + 64824.

Almost surely, 2^210444122 is an apocalyptic number.

210444122 is a deficient number, since it is larger than the sum of its proper divisors (178362682).

210444122 is a wasteful number, since it uses less digits than its factorization.

210444122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126350 (or 126343 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 210444122 is about 14506.6923176857. The cubic root of 210444122 is about 594.8109203126.

Adding to 210444122 its reverse (221444012), we get a palindrome (431888134).

The spelling of 210444122 in words is "two hundred ten million, four hundred forty-four thousand, one hundred twenty-two".