201345522 has 32 divisors (see below), whose sum is σ = 470925312. Its totient is φ = 56188944.

The previous prime is 201345457. The next prime is 201345523. The reversal of 201345522 is 225543102.

It is a junction number, because it is equal to n+sod(n) for n = 201345492 and 201345501.

It is not an unprimeable number, because it can be changed into a prime (201345523) 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, 53938 + ... + 57549.

It is an arithmetic number, because the mean of its divisors is an integer number (14716416).

Almost surely, 2^201345522 is an apocalyptic number.

201345522 is an abundant number, since it is smaller than the sum of its proper divisors (269579790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201345522 is a wasteful number, since it uses less digits than its factorization.

201345522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111542.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 201345522 is about 14189.6272678319. The cubic root of 201345522 is about 586.1120610240.

Adding to 201345522 its reverse (225543102), we get a palindrome (426888624).

The spelling of 201345522 in words is "two hundred one million, three hundred forty-five thousand, five hundred twenty-two".