225012420044 has 6 divisors (see below), whose sum is σ = 393771735084. Its totient is φ = 112506210020.

The previous prime is 225012420037. The next prime is 225012420047. The reversal of 225012420044 is 440024210522.

It is a junction number, because it is equal to n+sod(n) for n = 225012419995 and 225012420022.

It is not an unprimeable number, because it can be changed into a prime (225012420047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28126552502 + ... + 28126552509.

It is an arithmetic number, because the mean of its divisors is an integer number (65628622514).

Almost surely, 2^225012420044 is an apocalyptic number.

It is an amenable number.

225012420044 is a deficient number, since it is larger than the sum of its proper divisors (168759315040).

225012420044 is a wasteful number, since it uses less digits than its factorization.

225012420044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56253105015 (or 56253105013 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 225012420044 its reverse (440024210522), we get a palindrome (665036630566).

The spelling of 225012420044 in words is "two hundred twenty-five billion, twelve million, four hundred twenty thousand, forty-four".