225652012434 has 40 divisors (see below), whose sum is σ = 512554090620. Its totient is φ = 74186959104.

The previous prime is 225652012429. The next prime is 225652012451. The reversal of 225652012434 is 434210256522.

225652012434 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 520 + 124 + 3 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 208661672025 + 16990340409 = 456795^2 + 130347^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9528679 + ... + 9552330.

Almost surely, 2^225652012434 is an apocalyptic number.

225652012434 is an abundant number, since it is smaller than the sum of its proper divisors (286902078186).

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

225652012434 is a wasteful number, since it uses less digits than its factorization.

225652012434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19081096 (or 19081087 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 225652012434 its reverse (434210256522), we get a palindrome (659862268956).

The spelling of 225652012434 in words is "two hundred twenty-five billion, six hundred fifty-two million, twelve thousand, four hundred thirty-four".