225788145606 has 24 divisors (see below), whose sum is σ = 499616324064. Its totient is φ = 73661380560.

The previous prime is 225788145599. The next prime is 225788145607. The reversal of 225788145606 is 606541887522.

225788145606 is a `hidden beast` number, since 2 + 2 + 5 + 78 + 8 + 1 + 4 + 560 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225788145607) 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, 133443685 + ... + 133445376.

It is an arithmetic number, because the mean of its divisors is an integer number (20817346836).

Almost surely, 2^225788145606 is an apocalyptic number.

225788145606 is an abundant number, since it is smaller than the sum of its proper divisors (273828178458).

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

225788145606 is a wasteful number, since it uses less digits than its factorization.

225788145606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266889116 (or 266889113 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 225788145606 in words is "two hundred twenty-five billion, seven hundred eighty-eight million, one hundred forty-five thousand, six hundred six".