225607540471 has 4 divisors (see below), whose sum is σ = 225608570152. Its totient is φ = 225606510792.

The previous prime is 225607540427. The next prime is 225607540493. The reversal of 225607540471 is 174045706522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 174045706522 = 2 ⋅87022853261.

It is a cyclic number.

It is not a de Polignac number, because 225607540471 - 2⁷ = 225607540343 is a prime.

It is a super-3 number, since 3×225607540471³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225607570471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40521 + ... + 672946.

It is an arithmetic number, because the mean of its divisors is an integer number (56402142538).

Almost surely, 2^225607540471 is an apocalyptic number.

225607540471 is a deficient number, since it is larger than the sum of its proper divisors (1029681).

225607540471 is an equidigital number, since it uses as much as digits as its factorization.

225607540471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029680.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 225607540471 in words is "two hundred twenty-five billion, six hundred seven million, five hundred forty thousand, four hundred seventy-one".