223210505644252 has 24 divisors (see below), whose sum is σ = 446424040025600. Its totient is φ = 95660996261040.

The previous prime is 223210505644241. The next prime is 223210505644307. The reversal of 223210505644252 is 252446505012322.

It is a super-3 number, since 3×223210505644252³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223210505644199 and 223210505644208.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22830024 + ... + 31106767.

Almost surely, 2^{223210505644252} is an apocalyptic number.

It is an amenable number.

223210505644252 is an abundant number, since it is smaller than the sum of its proper divisors (223213534381348).

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

223210505644252 is a wasteful number, since it uses less digits than its factorization.

223210505644252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54084601 (or 54084599 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 223210505644252 in words is "two hundred twenty-three trillion, two hundred ten billion, five hundred five million, six hundred forty-four thousand, two hundred fifty-two".