201225471 has 16 divisors (see below), whose sum is σ = 279189504. Its totient is φ = 128813984.

The previous prime is 201225457. The next prime is 201225503. The reversal of 201225471 is 174522102.

It is a cyclic number.

It is not a de Polignac number, because 201225471 - 2⁵ = 201225439 is a prime.

It is a super-3 number, since 3×201225471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201225071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5991 + ... + 20936.

It is an arithmetic number, because the mean of its divisors is an integer number (17449344).

Almost surely, 2^201225471 is an apocalyptic number.

201225471 is a deficient number, since it is larger than the sum of its proper divisors (77964033).

201225471 is a wasteful number, since it uses less digits than its factorization.

201225471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27030.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 201225471 is about 14185.3963991141. The cubic root of 201225471 is about 585.9955493222.

Adding to 201225471 its reverse (174522102), we get a palindrome (375747573).

The spelling of 201225471 in words is "two hundred one million, two hundred twenty-five thousand, four hundred seventy-one".