210045422 has 8 divisors (see below), whose sum is σ = 316240200. Its totient is φ = 104632024.

The previous prime is 210045403. The next prime is 210045439. The reversal of 210045422 is 224540012.

It is a happy number.

210045422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 210045394 and 210045403.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 194672 + ... + 195747.

It is an arithmetic number, because the mean of its divisors is an integer number (39530025).

Almost surely, 2^210045422 is an apocalyptic number.

210045422 is a deficient number, since it is larger than the sum of its proper divisors (106194778).

210045422 is a wasteful number, since it uses less digits than its factorization.

210045422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390690.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 210045422 is about 14492.9438693455. The cubic root of 210045422 is about 594.4350469207.

Adding to 210045422 its reverse (224540012), we get a palindrome (434585434).

The spelling of 210045422 in words is "two hundred ten million, forty-five thousand, four hundred twenty-two".