210164422 has 16 divisors (see below), whose sum is σ = 343314720. Its totient is φ = 95908032.

The previous prime is 210164389. The next prime is 210164441. The reversal of 210164422 is 224461012.

It is a happy number.

210164422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 210164393 and 210164402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43098 + ... + 47725.

It is an arithmetic number, because the mean of its divisors is an integer number (21457170).

Almost surely, 2^210164422 is an apocalyptic number.

210164422 is a deficient number, since it is larger than the sum of its proper divisors (133150298).

210164422 is a wasteful number, since it uses less digits than its factorization.

210164422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90927.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 210164422 is about 14497.0487341390. The cubic root of 210164422 is about 594.5472836224.

The spelling of 210164422 in words is "two hundred ten million, one hundred sixty-four thousand, four hundred twenty-two".