226277444642 has 6 divisors (see below), whose sum is σ = 339417176049. Its totient is φ = 113138385960.

The previous prime is 226277444609. The next prime is 226277444647. The reversal of 226277444642 is 246444772622.

It can be written as a sum of positive squares in 2 ways, for example, as 216588782881 + 9688661761 = 465391^2 + 98431^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=336361.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226277444647) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 504542 + ... + 840902.

Almost surely, 2^226277444642 is an apocalyptic number.

226277444642 is a deficient number, since it is larger than the sum of its proper divisors (113139731407).

226277444642 is an frugal number, since it uses more digits than its factorization.

226277444642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672724 (or 336363 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 50.

Multiplying 226277444642 by its sum of digits (50), we get a square (11313872232100 = 3363610²).

The spelling of 226277444642 in words is "two hundred twenty-six billion, two hundred seventy-seven million, four hundred forty-four thousand, six hundred forty-two".