225101244 has 12 divisors (see below), whose sum is σ = 525236264. Its totient is φ = 75033744.

The previous prime is 225101243. The next prime is 225101251. The reversal of 225101244 is 442101522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 225101244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225101243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9379207 + ... + 9379230.

Almost surely, 2^225101244 is an apocalyptic number.

It is an amenable number.

225101244 is an abundant number, since it is smaller than the sum of its proper divisors (300135020).

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

225101244 is a wasteful number, since it uses less digits than its factorization.

225101244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18758444 (or 18758442 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 225101244 is about 15003.3744204429. The cubic root of 225101244 is about 608.3114135010.

Adding to 225101244 its reverse (442101522), we get a palindrome (667202766).

The spelling of 225101244 in words is "two hundred twenty-five million, one hundred one thousand, two hundred forty-four".