223246956402 has 54 divisors (see below), whose sum is σ = 513906937869. Its totient is φ = 70027569600.

The previous prime is 223246956391. The next prime is 223246956403. The reversal of 223246956402 is 204659642322.

223246956402 is a `hidden beast` number, since 2 + 2 + 3 + 24 + 69 + 564 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 204321176361 + 18925780041 = 452019^2 + 137571^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334101.

It is a super-3 number, since 3×223246956402³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223246956403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34075027 + ... + 34081577.

Almost surely, 2^223246956402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223246956402

223246956402 is an abundant number, since it is smaller than the sum of its proper divisors (290659981467).

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

223246956402 is an frugal number, since it uses more digits than its factorization.

223246956402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13144 (or 6573 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 223246956402 in words is "two hundred twenty-three billion, two hundred forty-six million, nine hundred fifty-six thousand, four hundred two".