225544434 has 16 divisors (see below), whose sum is σ = 452229888. Its totient is φ = 74991312.

The previous prime is 225544427. The next prime is 225544439. The reversal of 225544434 is 434445522.

225544434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 225544395 and 225544404.

It is not an unprimeable number, because it can be changed into a prime (225544439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44962 + ... + 49725.

It is an arithmetic number, because the mean of its divisors is an integer number (28264368).

Almost surely, 2^225544434 is an apocalyptic number.

225544434 is an abundant number, since it is smaller than the sum of its proper divisors (226685454).

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

225544434 is a wasteful number, since it uses less digits than its factorization.

225544434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95089.

The product of its digits is 76800, while the sum is 33.

The square root of 225544434 is about 15018.1368351737. The cubic root of 225544434 is about 608.7103758992.

Adding to 225544434 its reverse (434445522), we get a palindrome (659989956).

The spelling of 225544434 in words is "two hundred twenty-five million, five hundred forty-four thousand, four hundred thirty-four".