2201312522 has 4 divisors (see below), whose sum is σ = 3301968786. Its totient is φ = 1100656260.

The previous prime is 2201312501. The next prime is 2201312527. The reversal of 2201312522 is 2252131022.

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

It can be written as a sum of positive squares in only one way, i.e., 2120510401 + 80802121 = 46049^2 + 8989^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2201312494 and 2201312503.

It is not an unprimeable number, because it can be changed into a prime (2201312527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550328129 + ... + 550328132.

Almost surely, 2^2201312522 is an apocalyptic number.

2201312522 is a deficient number, since it is larger than the sum of its proper divisors (1100656264).

2201312522 is a wasteful number, since it uses less digits than its factorization.

2201312522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100656263.

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

The square root of 2201312522 is about 46918.1470435481. The cubic root of 2201312522 is about 1300.8500401124.

Adding to 2201312522 its reverse (2252131022), we get a palindrome (4453443544).

The spelling of 2201312522 in words is "two billion, two hundred one million, three hundred twelve thousand, five hundred twenty-two".