2228607538544 has 20 divisors (see below), whose sum is σ = 4319396379480. Its totient is φ = 1113924601920.

The previous prime is 2228607538523. The next prime is 2228607538583. The reversal of 2228607538544 is 4458357068222.

It is a self number, because there is not a number n which added to its sum of digits gives 2228607538544.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 23649467 + ... + 23743514.

It is an arithmetic number, because the mean of its divisors is an integer number (215969818974).

Almost surely, 2^{2228607538544} is an apocalyptic number.

It is an amenable number.

2228607538544 is a deficient number, since it is larger than the sum of its proper divisors (2090788840936).

2228607538544 is a wasteful number, since it uses less digits than its factorization.

2228607538544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47395928 (or 47395922 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 56.

The spelling of 2228607538544 in words is "two trillion, two hundred twenty-eight billion, six hundred seven million, five hundred thirty-eight thousand, five hundred forty-four".