203225016 has 64 divisors (see below), whose sum is σ = 526078080. Its totient is φ = 65370240.

The previous prime is 203224999. The next prime is 203225017. The reversal of 203225016 is 610522302.

It is a junction number, because it is equal to n+sod(n) for n = 203224983 and 203225001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203225017) 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, 115455 + ... + 117201.

It is an arithmetic number, because the mean of its divisors is an integer number (8219970).

Almost surely, 2^203225016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203225016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263039040).

203225016 is an abundant number, since it is smaller than the sum of its proper divisors (322853064).

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

203225016 is a wasteful number, since it uses less digits than its factorization.

203225016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 1920 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 203225016 is about 14255.7011753193. The cubic root of 203225016 is about 587.9301365465.

Adding to 203225016 its reverse (610522302), we get a palindrome (813747318).

The spelling of 203225016 in words is "two hundred three million, two hundred twenty-five thousand, sixteen".