201422315 has 4 divisors (see below), whose sum is σ = 241706784. Its totient is φ = 161137848.

The previous prime is 201422311. The next prime is 201422323. The reversal of 201422315 is 513224102.

201422315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201422315 - 2² = 201422311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201422311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20142227 + ... + 20142236.

It is an arithmetic number, because the mean of its divisors is an integer number (60426696).

Almost surely, 2^201422315 is an apocalyptic number.

201422315 is a deficient number, since it is larger than the sum of its proper divisors (40284469).

201422315 is an equidigital number, since it uses as much as digits as its factorization.

201422315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40284468.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 201422315 is about 14192.3329653725. The cubic root of 201422315 is about 586.1865657561.

Adding to 201422315 its reverse (513224102), we get a palindrome (714646417).

The spelling of 201422315 in words is "two hundred one million, four hundred twenty-two thousand, three hundred fifteen".