2225506723857 has 12 divisors (see below), whose sum is σ = 3239932800000. Its totient is φ = 1471988698488.

The previous prime is 2225506723837. The next prime is 2225506723871. The reversal of 2225506723857 is 7583276055222.

2225506723857 is a `hidden beast` number, since 2 + 2 + 2 + 550 + 6 + 7 + 2 + 3 + 85 + 7 = 666.

It is not a de Polignac number, because 2225506723857 - 2⁶ = 2225506723793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2225506723807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 973536357 + ... + 973538642.

It is an arithmetic number, because the mean of its divisors is an integer number (269994400000).

Almost surely, 2^{2225506723857} is an apocalyptic number.

It is an amenable number.

2225506723857 is a deficient number, since it is larger than the sum of its proper divisors (1014426076143).

2225506723857 is a wasteful number, since it uses less digits than its factorization.

2225506723857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947075132 (or 1947075129 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 2225506723857 in words is "two trillion, two hundred twenty-five billion, five hundred six million, seven hundred twenty-three thousand, eight hundred fifty-seven".