2205521434 has 4 divisors (see below), whose sum is σ = 3308282154. Its totient is φ = 1102760716.

The previous prime is 2205521377. The next prime is 2205521441. The reversal of 2205521434 is 4341255022.

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., 2204020809 + 1500625 = 46947^2 + 1225^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551380357 + ... + 551380360.

Almost surely, 2^2205521434 is an apocalyptic number.

2205521434 is a deficient number, since it is larger than the sum of its proper divisors (1102760720).

2205521434 is a wasteful number, since it uses less digits than its factorization.

2205521434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102760719.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2205521434 is about 46962.9793986710. The cubic root of 2205521434 is about 1301.6785878515.

Adding to 2205521434 its reverse (4341255022), we get a palindrome (6546776456).

The spelling of 2205521434 in words is "two billion, two hundred five million, five hundred twenty-one thousand, four hundred thirty-four".