226645030144 has 72 divisors (see below), whose sum is σ = 487518687432. Its totient is φ = 104538071040.

The previous prime is 226645029971. The next prime is 226645030153. The reversal of 226645030144 is 441030546622.

It can be written as a sum of positive squares in 4 ways, for example, as 69105894400 + 157539135744 = 262880^2 + 396912^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5346954 + ... + 5389174.

It is an arithmetic number, because the mean of its divisors is an integer number (6771092881).

Almost surely, 2^226645030144 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 226645030144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243759343716).

226645030144 is an abundant number, since it is smaller than the sum of its proper divisors (260873657288).

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

226645030144 is a wasteful number, since it uses less digits than its factorization.

226645030144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43863 (or 43849 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 226645030144 its reverse (441030546622), we get a palindrome (667675576766).

The spelling of 226645030144 in words is "two hundred twenty-six billion, six hundred forty-five million, thirty thousand, one hundred forty-four".