225016021024 has 24 divisors (see below), whose sum is σ = 444512256300. Its totient is φ = 112124019456.

The previous prime is 225016020947. The next prime is 225016021037. The reversal of 225016021024 is 420120610522.

It can be written as a sum of positive squares in 2 ways, for example, as 201662068624 + 23353952400 = 449068^2 + 152820^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225016021024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11990199 + ... + 12008950.

Almost surely, 2^225016021024 is an apocalyptic number.

It is an amenable number.

225016021024 is a deficient number, since it is larger than the sum of its proper divisors (219496235276).

225016021024 is a wasteful number, since it uses less digits than its factorization.

225016021024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23999452 (or 23999444 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 225016021024 its reverse (420120610522), we get a palindrome (645136631546).

The spelling of 225016021024 in words is "two hundred twenty-five billion, sixteen million, twenty-one thousand, twenty-four".