2205315503644 has 18 divisors (see below), whose sum is σ = 4242042839552. Its totient is φ = 1002416137800.

The previous prime is 2205315503639. The next prime is 2205315503659. The reversal of 2205315503644 is 4463055135022.

It is a super-2 number, since 2×2205315503644² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2205315503597 and 2205315503606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2278218012 + ... + 2278218979.

Almost surely, 2^{2205315503644} is an apocalyptic number.

It is an amenable number.

2205315503644 is a deficient number, since it is larger than the sum of its proper divisors (2036727335908).

2205315503644 is a wasteful number, since it uses less digits than its factorization.

2205315503644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556437017 (or 4556437004 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 2205315503644 in words is "two trillion, two hundred five billion, three hundred fifteen million, five hundred three thousand, six hundred forty-four".