225411450 has 96 divisors (see below), whose sum is σ = 619246080. Its totient is φ = 53803200.

The previous prime is 225411419. The next prime is 225411467. The reversal of 225411450 is 54114522.

It is a super-2 number, since 2×225411450² = 101620643582205000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225411450.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109531 + ... + 111569.

It is an arithmetic number, because the mean of its divisors is an integer number (6450480).

Almost surely, 2^225411450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225411450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309623040).

225411450 is an abundant number, since it is smaller than the sum of its proper divisors (393834630).

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

225411450 is a wasteful number, since it uses less digits than its factorization.

225411450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132 (or 2127 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 225411450 is about 15013.7087356855. The cubic root of 225411450 is about 608.5907177992.

Adding to 225411450 its reverse (54114522), we get a palindrome (279525972).

It can be divided in two parts, 2 and 25411450, that added together give a palindrome (25411452).

The spelling of 225411450 in words is "two hundred twenty-five million, four hundred eleven thousand, four hundred fifty".