226355203152 has 120 divisors (see below), whose sum is σ = 682741150728. Its totient is φ = 69593472000.

The previous prime is 226355203049. The next prime is 226355203159. The reversal of 226355203152 is 251302553622.

226355203152 is a `hidden beast` number, since 2 + 2 + 635 + 5 + 2 + 0 + 3 + 15 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 60409774656 + 165945428496 = 245784^2 + 407364^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226355203159) 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 23 ways as a sum of consecutive naturals, for example, 2389002 + ... + 2481942.

Almost surely, 2^226355203152 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 226355203152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341370575364).

226355203152 is an abundant number, since it is smaller than the sum of its proper divisors (456385947576).

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

226355203152 is a wasteful number, since it uses less digits than its factorization.

226355203152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94269 (or 94260 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 226355203152 its reverse (251302553622), we get a palindrome (477657756774).

The spelling of 226355203152 in words is "two hundred twenty-six billion, three hundred fifty-five million, two hundred three thousand, one hundred fifty-two".