223228247137 has 12 divisors (see below), whose sum is σ = 274948598340. Its totient is φ = 180083291136.

The previous prime is 223228247119. The next prime is 223228247183. The reversal of 223228247137 is 731742822322.

It can be written as a sum of positive squares in 2 ways, for example, as 207968833296 + 15259413841 = 456036^2 + 123529^2 .

It is not a de Polignac number, because 223228247137 - 2⁷ = 223228247009 is a prime.

It is a super-3 number, since 3×223228247137³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223228247093 and 223228247102.

It is not an unprimeable number, because it can be changed into a prime (223228245137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133989712 + ... + 133991377.

It is an arithmetic number, because the mean of its divisors is an integer number (22912383195).

Almost surely, 2^223228247137 is an apocalyptic number.

It is an amenable number.

223228247137 is a deficient number, since it is larger than the sum of its proper divisors (51720351203).

223228247137 is a wasteful number, since it uses less digits than its factorization.

223228247137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267981120 (or 267981113 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The spelling of 223228247137 in words is "two hundred twenty-three billion, two hundred twenty-eight million, two hundred forty-seven thousand, one hundred thirty-seven".