227673341921 has 4 divisors (see below), whose sum is σ = 227678190852. Its totient is φ = 227668492992.

The previous prime is 227673341867. The next prime is 227673341941. The reversal of 227673341921 is 129143376722.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47541005521 + 180132336400 = 218039^2 + 424420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227673341921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (227673341941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2353340 + ... + 2448173.

It is an arithmetic number, because the mean of its divisors is an integer number (56919547713).

Almost surely, 2^227673341921 is an apocalyptic number.

It is an amenable number.

227673341921 is a deficient number, since it is larger than the sum of its proper divisors (4848931).

227673341921 is an equidigital number, since it uses as much as digits as its factorization.

227673341921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4848930.

The product of its digits is 762048, while the sum is 47.

The spelling of 227673341921 in words is "two hundred twenty-seven billion, six hundred seventy-three million, three hundred forty-one thousand, nine hundred twenty-one".