225205434654 has 32 divisors (see below), whose sum is σ = 451168983936. Its totient is φ = 74942207520.

The previous prime is 225205434617. The next prime is 225205434659. The reversal of 225205434654 is 456434502522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225205434659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13387909 + ... + 13404719.

It is an arithmetic number, because the mean of its divisors is an integer number (14099030748).

Almost surely, 2^225205434654 is an apocalyptic number.

225205434654 is an abundant number, since it is smaller than the sum of its proper divisors (225963549282).

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

225205434654 is a wasteful number, since it uses less digits than its factorization.

225205434654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20440.

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 225205434654 in words is "two hundred twenty-five billion, two hundred five million, four hundred thirty-four thousand, six hundred fifty-four".