2204312522 has 4 divisors (see below), whose sum is σ = 3306468786. Its totient is φ = 1102156260.

The previous prime is 2204312519. The next prime is 2204312563. The reversal of 2204312522 is 2252134022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2252134022 = 2 ⋅1126067011.

It can be written as a sum of positive squares in only one way, i.e., 1389723841 + 814588681 = 37279^2 + 28541^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551078129 + ... + 551078132.

Almost surely, 2^2204312522 is an apocalyptic number.

2204312522 is a deficient number, since it is larger than the sum of its proper divisors (1102156264).

2204312522 is a wasteful number, since it uses less digits than its factorization.

2204312522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102156263.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2204312522 is about 46950.1067304431. The cubic root of 2204312522 is about 1301.4407147809.

Adding to 2204312522 its reverse (2252134022), we get a palindrome (4456446544).

The spelling of 2204312522 in words is "two billion, two hundred four million, three hundred twelve thousand, five hundred twenty-two".