226379709938 has 6 divisors (see below), whose sum is σ = 339570574221. Its totient is φ = 113189518532.

The previous prime is 226379709923. The next prime is 226379709991. The reversal of 226379709938 is 839907973622.

It can be written as a sum of positive squares in 2 ways, for example, as 162879237889 + 63500472049 = 403583^2 + 251993^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=336437.

It is a super-2 number, since 2×226379709938² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 504656 + ... + 841092.

Almost surely, 2^226379709938 is an apocalyptic number.

226379709938 is a deficient number, since it is larger than the sum of its proper divisors (113190864283).

226379709938 is an frugal number, since it uses more digits than its factorization.

226379709938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672876 (or 336439 counting only the distinct ones).

The product of its (nonzero) digits is 61725888, while the sum is 65.

The spelling of 226379709938 in words is "two hundred twenty-six billion, three hundred seventy-nine million, seven hundred nine thousand, nine hundred thirty-eight".