2225522656556 has 24 divisors (see below), whose sum is σ = 4059626259696. Its totient is φ = 1066527190080.

The previous prime is 2225522656541. The next prime is 2225522656561. The reversal of 2225522656556 is 6556562255222.

It is a super-2 number, since 2×2225522656556² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2225522656498 and 2225522656507.

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 7 ways as a sum of consecutive naturals, for example, 112208855 + ... + 112228686.

It is an arithmetic number, because the mean of its divisors is an integer number (169151094154).

Almost surely, 2^{2225522656556} is an apocalyptic number.

It is an amenable number.

2225522656556 is a deficient number, since it is larger than the sum of its proper divisors (1834103603140).

2225522656556 is a wasteful number, since it uses less digits than its factorization.

2225522656556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224437649 (or 224437647 counting only the distinct ones).

The product of its digits is 21600000, while the sum is 53.

The spelling of 2225522656556 in words is "two trillion, two hundred twenty-five billion, five hundred twenty-two million, six hundred fifty-six thousand, five hundred fifty-six".