223115615546452 has 24 divisors (see below), whose sum is σ = 391368150038376. Its totient is φ = 111296162654208.

The previous prime is 223115615546419. The next prime is 223115615546459. The reversal of 223115615546452 is 254645516511322.

It can be written as a sum of positive squares in 4 ways, for example, as 47813407996176 + 175302207550276 = 6914724^2 + 13240174^2 .

It is a super-3 number, since 3×223115615546452³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223115615546452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223115615546459) 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, 46110378 + ... + 50718814.

It is an arithmetic number, because the mean of its divisors is an integer number (16307006251599).

Almost surely, 2^{223115615546452} is an apocalyptic number.

It is an amenable number.

223115615546452 is a deficient number, since it is larger than the sum of its proper divisors (168252534491924).

223115615546452 is a wasteful number, since it uses less digits than its factorization.

223115615546452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636827 (or 4636825 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 52.

The spelling of 223115615546452 in words is "two hundred twenty-three trillion, one hundred fifteen billion, six hundred fifteen million, five hundred forty-six thousand, four hundred fifty-two".