2228723644515 has 16 divisors (see below), whose sum is σ = 3566459613600. Its totient is φ = 1188485349632.

The previous prime is 2228723644513. The next prime is 2228723644561. The reversal of 2228723644515 is 5154463278222.

2228723644515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2228723644515 - 2¹ = 2228723644513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2228723644513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10343610 + ... + 10556879.

It is an arithmetic number, because the mean of its divisors is an integer number (222903725850).

Almost surely, 2^{2228723644515} is an apocalyptic number.

2228723644515 is a deficient number, since it is larger than the sum of its proper divisors (1337735969085).

2228723644515 is a wasteful number, since it uses less digits than its factorization.

2228723644515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20907606.

The product of its digits is 6451200, while the sum is 51.

The spelling of 2228723644515 in words is "two trillion, two hundred twenty-eight billion, seven hundred twenty-three million, six hundred forty-four thousand, five hundred fifteen".