223222545405 has 24 divisors (see below), whose sum is σ = 409679025912. Its totient is φ = 112048963584.

The previous prime is 223222545347. The next prime is 223222545419. The reversal of 223222545405 is 504545222322.

223222545405 is a `hidden beast` number, since 2 + 23 + 2 + 225 + 4 + 5 + 405 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3585973689 + 219636571716 = 59883^2 + 468654^2 .

It is not a de Polignac number, because 223222545405 - 2⁶ = 223222545341 is a prime.

It is a super-3 number, since 3×223222545405³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 223222545405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145896324 + ... + 145897853.

It is an arithmetic number, because the mean of its divisors is an integer number (17069959413).

Almost surely, 2^223222545405 is an apocalyptic number.

It is an amenable number.

223222545405 is a deficient number, since it is larger than the sum of its proper divisors (186456480507).

223222545405 is a wasteful number, since it uses less digits than its factorization.

223222545405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291794205 (or 291794202 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 223222545405 its reverse (504545222322), we get a palindrome (727767767727).

The spelling of 223222545405 in words is "two hundred twenty-three billion, two hundred twenty-two million, five hundred forty-five thousand, four hundred five".