2243554022453 has 8 divisors (see below), whose sum is σ = 2260955878200. Its totient is φ = 2226203124928.

The previous prime is 2243554022443. The next prime is 2243554022533. The reversal of 2243554022453 is 3542204553422.

It can be written as a sum of positive squares in 4 ways, for example, as 1220852626084 + 1022701396369 = 1104922^2 + 1011287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243554022453 - 2¹⁸ = 2243553760309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2243554022453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243554022443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12651158 + ... + 12827271.

It is an arithmetic number, because the mean of its divisors is an integer number (282619484775).

Almost surely, 2^{2243554022453} is an apocalyptic number.

It is an amenable number.

2243554022453 is a deficient number, since it is larger than the sum of its proper divisors (17401855747).

2243554022453 is a wasteful number, since it uses less digits than its factorization.

2243554022453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25479111.

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 2243554022453 its reverse (3542204553422), we get a palindrome (5785758575875).

The spelling of 2243554022453 in words is "two trillion, two hundred forty-three billion, five hundred fifty-four million, twenty-two thousand, four hundred fifty-three".