201422210 has 16 divisors (see below), whose sum is σ = 395520192. Its totient is φ = 73244400.

The previous prime is 201422147. The next prime is 201422227. The reversal of 201422210 is 12224102.

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, 915446 + ... + 915665.

It is an arithmetic number, because the mean of its divisors is an integer number (24720012).

Almost surely, 2^201422210 is an apocalyptic number.

201422210 is a deficient number, since it is larger than the sum of its proper divisors (194097982).

201422210 is a wasteful number, since it uses less digits than its factorization.

201422210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831129.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 201422210 is about 14192.3292661916. The cubic root of 201422210 is about 586.1864638978.

Adding to 201422210 its reverse (12224102), we get a palindrome (213646312).

The spelling of 201422210 in words is "two hundred one million, four hundred twenty-two thousand, two hundred ten".