227662221044 has 12 divisors (see below), whose sum is σ = 398582350404. Its totient is φ = 113781549504.

The previous prime is 227662221043. The next prime is 227662221077. The reversal of 227662221044 is 440122266722.

It can be written as a sum of positive squares in 2 ways, for example, as 117657232144 + 110004988900 = 343012^2 + 331670^2 .

It is a junction number, because it is equal to n+sod(n) for n = 227662220989 and 227662221007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227662221043) 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, 12379919 + ... + 12398294.

It is an arithmetic number, because the mean of its divisors is an integer number (33215195867).

Almost surely, 2^227662221044 is an apocalyptic number.

It is an amenable number.

227662221044 is a deficient number, since it is larger than the sum of its proper divisors (170920129360).

227662221044 is a wasteful number, since it uses less digits than its factorization.

227662221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24780514 (or 24780512 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

Adding to 227662221044 its reverse (440122266722), we get a palindrome (667784487766).

The spelling of 227662221044 in words is "two hundred twenty-seven billion, six hundred sixty-two million, two hundred twenty-one thousand, forty-four".