201224315 has 16 divisors (see below), whose sum is σ = 249554208. Its totient is φ = 155644416.

The previous prime is 201224293. The next prime is 201224321. The reversal of 201224315 is 513422102.

It is a cyclic number.

It is not a de Polignac number, because 201224315 - 2⁶ = 201224251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26819 + ... + 33491.

It is an arithmetic number, because the mean of its divisors is an integer number (15597138).

Almost surely, 2^201224315 is an apocalyptic number.

201224315 is a deficient number, since it is larger than the sum of its proper divisors (48329893).

201224315 is a wasteful number, since it uses less digits than its factorization.

201224315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878.

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

The square root of 201224315 is about 14185.3556529260. The cubic root of 201224315 is about 585.9944271778.

Adding to 201224315 its reverse (513422102), we get a palindrome (714646417).

The spelling of 201224315 in words is "two hundred one million, two hundred twenty-four thousand, three hundred fifteen".