2243213203345 has 32 divisors (see below), whose sum is σ = 2760845472000. Its totient is φ = 1748776049664.

The previous prime is 2243213203321. The next prime is 2243213203367. The reversal of 2243213203345 is 5433023123422.

It is a cyclic number.

It is not a de Polignac number, because 2243213203345 - 2³⁹ = 1693457389457 is a prime.

It is a super-2 number, since 2×2243213203345² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2243213203345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171900381 + ... + 171913429.

It is an arithmetic number, because the mean of its divisors is an integer number (86276421000).

Almost surely, 2^{2243213203345} is an apocalyptic number.

It is an amenable number.

2243213203345 is a deficient number, since it is larger than the sum of its proper divisors (517632268655).

2243213203345 is a wasteful number, since it uses less digits than its factorization.

2243213203345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14889.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 2243213203345 its reverse (5433023123422), we get a palindrome (7676236326767).

The spelling of 2243213203345 in words is "two trillion, two hundred forty-three billion, two hundred thirteen million, two hundred three thousand, three hundred forty-five".