226521302066 has 16 divisors (see below), whose sum is σ = 344102394240. Its totient is φ = 111820665840.

The previous prime is 226521302027. The next prime is 226521302089. The reversal of 226521302066 is 660203125622.

226521302066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×226521302066⁴ (a number of 47 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4122896 + ... + 4177476.

It is an arithmetic number, because the mean of its divisors is an integer number (21506399640).

Almost surely, 2^226521302066 is an apocalyptic number.

226521302066 is a deficient number, since it is larger than the sum of its proper divisors (117581092174).

226521302066 is a wasteful number, since it uses less digits than its factorization.

226521302066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80929.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 226521302066 its reverse (660203125622), we get a palindrome (886724427688).

The spelling of 226521302066 in words is "two hundred twenty-six billion, five hundred twenty-one million, three hundred two thousand, sixty-six".