2305221565044 has 48 divisors (see below), whose sum is σ = 5695449294528. Its totient is φ = 723181874688.

The previous prime is 2305221565021. The next prime is 2305221565063. The reversal of 2305221565044 is 4405651225032.

2305221565044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2305221564993 and 2305221565011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6273262 + ... + 6630554.

It is an arithmetic number, because the mean of its divisors is an integer number (118655193636).

Almost surely, 2^{2305221565044} is an apocalyptic number.

It is an amenable number.

2305221565044 is an abundant number, since it is smaller than the sum of its proper divisors (3390227729484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2305221565044 is a wasteful number, since it uses less digits than its factorization.

2305221565044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388944 (or 388942 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 2305221565044 in words is "two trillion, three hundred five billion, two hundred twenty-one million, five hundred sixty-five thousand, forty-four".