227223535540 has 12 divisors (see below), whose sum is σ = 477169424676. Its totient is φ = 90889414208.

The previous prime is 227223535489. The next prime is 227223535571. The reversal of 227223535540 is 45535322722.

It can be written as a sum of positive squares in 2 ways, for example, as 84403032484 + 142820503056 = 290522^2 + 377916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 227223535493 and 227223535502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5680588369 + ... + 5680588408.

It is an arithmetic number, because the mean of its divisors is an integer number (39764118723).

Almost surely, 2^227223535540 is an apocalyptic number.

227223535540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227223535540 is an abundant number, since it is smaller than the sum of its proper divisors (249945889136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227223535540 is a wasteful number, since it uses less digits than its factorization.

227223535540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11361176786 (or 11361176784 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 40.

The spelling of 227223535540 in words is "two hundred twenty-seven billion, two hundred twenty-three million, five hundred thirty-five thousand, five hundred forty".