2213126452 has 6 divisors (see below), whose sum is σ = 3872971298. Its totient is φ = 1106563224.

The previous prime is 2213126449. The next prime is 2213126471. The reversal of 2213126452 is 2546213122.

It can be written as a sum of positive squares in only one way, i.e., 2212197156 + 929296 = 47034^2 + 964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2213126452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276640803 + ... + 276640810.

Almost surely, 2^2213126452 is an apocalyptic number.

It is an amenable number.

2213126452 is a deficient number, since it is larger than the sum of its proper divisors (1659844846).

2213126452 is a wasteful number, since it uses less digits than its factorization.

2213126452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553281617 (or 553281615 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 2213126452 is about 47043.8779438940. The cubic root of 2213126452 is about 1303.1730088584.

Adding to 2213126452 its reverse (2546213122), we get a palindrome (4759339574).

The spelling of 2213126452 in words is "two billion, two hundred thirteen million, one hundred twenty-six thousand, four hundred fifty-two".