226438926722 has 18 divisors (see below), whose sum is σ = 360831814203. Its totient is φ = 106554111232.

The previous prime is 226438926709. The next prime is 226438926761. The reversal of 226438926722 is 227629834622.

226438926722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 220440579121 + 5998347601 = 469511^2 + 77449^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=336481.

It is a super-2 number, since 2×226438926722² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 11430458 + ... + 11450250.

Almost surely, 2^226438926722 is an apocalyptic number.

226438926722 is a deficient number, since it is larger than the sum of its proper divisors (134392887481).

226438926722 is an frugal number, since it uses more digits than its factorization.

226438926722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39622 (or 19812 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 53.

The spelling of 226438926722 in words is "two hundred twenty-six billion, four hundred thirty-eight million, nine hundred twenty-six thousand, seven hundred twenty-two".