225212472705 has 48 divisors (see below), whose sum is σ = 398264997312. Its totient is φ = 108590486400.

The previous prime is 225212472701. The next prime is 225212472803. The reversal of 225212472705 is 507274212522.

It is not a de Polignac number, because 225212472705 - 2² = 225212472701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225212472701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14259 + ... + 671288.

It is an arithmetic number, because the mean of its divisors is an integer number (8297187444).

Almost surely, 2^225212472705 is an apocalyptic number.

It is an amenable number.

225212472705 is a deficient number, since it is larger than the sum of its proper divisors (173052524607).

225212472705 is a wasteful number, since it uses less digits than its factorization.

225212472705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685758 (or 685747 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 225212472705 in words is "two hundred twenty-five billion, two hundred twelve million, four hundred seventy-two thousand, seven hundred five".