2225506723856 has 80 divisors (see below), whose sum is σ = 4675146021504. Its totient is φ = 1020190083072.

The previous prime is 2225506723837. The next prime is 2225506723871. The reversal of 2225506723856 is 6583276055222.

It is a junction number, because it is equal to n+sod(n) for n = 2225506723798 and 2225506723807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44541320 + ... + 44591256.

Almost surely, 2^{2225506723856} is an apocalyptic number.

2225506723856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225506723856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2337573010752).

2225506723856 is an abundant number, since it is smaller than the sum of its proper divisors (2449639297648).

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

2225506723856 is a wasteful number, since it uses less digits than its factorization.

2225506723856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51408 (or 51402 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 2225506723856 in words is "two trillion, two hundred twenty-five billion, five hundred six million, seven hundred twenty-three thousand, eight hundred fifty-six".