2213545122 has 12 divisors (see below), whose sum is σ = 4796014470. Its totient is φ = 737848368.

The previous prime is 2213545051. The next prime is 2213545127. The reversal of 2213545122 is 2215453122.

It can be written as a sum of positive squares in only one way, i.e., 1529670321 + 683874801 = 39111^2 + 26151^2 .

It is not an unprimeable number, because it can be changed into a prime (2213545127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61487347 + ... + 61487382.

Almost surely, 2^2213545122 is an apocalyptic number.

2213545122 is an abundant number, since it is smaller than the sum of its proper divisors (2582469348).

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

2213545122 is a wasteful number, since it uses less digits than its factorization.

2213545122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122974737 (or 122974734 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2213545122 is about 47048.3275154388. The cubic root of 2213545122 is about 1303.2551799489.

Adding to 2213545122 its reverse (2215453122), we get a palindrome (4428998244).

The spelling of 2213545122 in words is "two billion, two hundred thirteen million, five hundred forty-five thousand, one hundred twenty-two".