227749054418 has 6 divisors (see below), whose sum is σ = 341624593989. Its totient is φ = 113874189756.

The previous prime is 227749054397. The next prime is 227749054439. The reversal of 227749054418 is 814450947722.

It is an interprime number because it is at equal distance from previous prime (227749054397) and next prime (227749054439).

It can be written as a sum of positive squares in 2 ways, for example, as 211106248369 + 16642806049 = 459463^2 + 129007^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337453.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 227749054418.

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, 506180 + ... + 843632.

Almost surely, 2^227749054418 is an apocalyptic number.

227749054418 is a deficient number, since it is larger than the sum of its proper divisors (113875539571).

227749054418 is an frugal number, since it uses more digits than its factorization.

227749054418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674908 (or 337455 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 227749054418 in words is "two hundred twenty-seven billion, seven hundred forty-nine million, fifty-four thousand, four hundred eighteen".