223006566745 has 8 divisors (see below), whose sum is σ = 270062998920. Its totient is φ = 176768507520.

The previous prime is 223006566733. The next prime is 223006566749. The reversal of 223006566745 is 547665600322.

It can be written as a sum of positive squares in 4 ways, for example, as 89276659264 + 133729907481 = 298792^2 + 365691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223006566745 - 2¹³ = 223006558553 is a prime.

It is a super-2 number, since 2×223006566745² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223006566695 and 223006566704.

It is not an unprimeable number, because it can be changed into a prime (223006566749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204592636 + ... + 204593725.

It is an arithmetic number, because the mean of its divisors is an integer number (33757874865).

Almost surely, 2^223006566745 is an apocalyptic number.

It is an amenable number.

223006566745 is a deficient number, since it is larger than the sum of its proper divisors (47056432175).

223006566745 is a wasteful number, since it uses less digits than its factorization.

223006566745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409186475.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 223006566745 in words is "two hundred twenty-three billion, six million, five hundred sixty-six thousand, seven hundred forty-five".