2248724213 has 4 divisors (see below), whose sum is σ = 2252622060. Its totient is φ = 2244826368.

The previous prime is 2248724209. The next prime is 2248724263. The reversal of 2248724213 is 3124278422.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2147580964 + 101143249 = 46342^2 + 10057^2 .

It is a cyclic number.

It is not a de Polignac number, because 2248724213 - 2² = 2248724209 is a prime.

It is a super-2 number, since 2×2248724213² = 10113521172264938738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2248724263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948058 + ... + 1949211.

It is an arithmetic number, because the mean of its divisors is an integer number (563155515).

Almost surely, 2^2248724213 is an apocalyptic number.

It is an amenable number.

2248724213 is a deficient number, since it is larger than the sum of its proper divisors (3897847).

2248724213 is an equidigital number, since it uses as much as digits as its factorization.

2248724213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897846.

The product of its digits is 43008, while the sum is 35.

The square root of 2248724213 is about 47420.7150199151. The cubic root of 2248724213 is about 1310.1229830347.

The spelling of 2248724213 in words is "two billion, two hundred forty-eight million, seven hundred twenty-four thousand, two hundred thirteen".