225971783307 has 24 divisors (see below), whose sum is σ = 344257976400. Its totient is φ = 142438575168.

The previous prime is 225971783281. The next prime is 225971783329. The reversal of 225971783307 is 703387179522.

225971783307 is a `hidden beast` number, since 2 + 2 + 597 + 17 + 8 + 3 + 30 + 7 = 666.

It is not a de Polignac number, because 225971783307 - 2³⁰ = 224898041483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225971783347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1211068 + ... + 1385145.

It is an arithmetic number, because the mean of its divisors is an integer number (14344082350).

Almost surely, 2^225971783307 is an apocalyptic number.

225971783307 is a deficient number, since it is larger than the sum of its proper divisors (118286193093).

225971783307 is a wasteful number, since it uses less digits than its factorization.

225971783307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596747 (or 2596744 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 225971783307 in words is "two hundred twenty-five billion, nine hundred seventy-one million, seven hundred eighty-three thousand, three hundred seven".