225241043250 has 128 divisors (see below), whose sum is σ = 592096377600. Its totient is φ = 56873664000.

The previous prime is 225241043249. The next prime is 225241043257. The reversal of 225241043250 is 52340142522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (225241043257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45326766 + ... + 45331734.

It is an arithmetic number, because the mean of its divisors is an integer number (4625752950).

Almost surely, 2^225241043250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225241043250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296048188800).

225241043250 is an abundant number, since it is smaller than the sum of its proper divisors (366855334350).

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

225241043250 is a wasteful number, since it uses less digits than its factorization.

225241043250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189 (or 8179 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 225241043250 its reverse (52340142522), we get a palindrome (277581185772).

The spelling of 225241043250 in words is "two hundred twenty-five billion, two hundred forty-one million, forty-three thousand, two hundred fifty".