223145202204 has 18 divisors (see below), whose sum is σ = 564061483440. Its totient is φ = 74381734056.

The previous prime is 223145202191. The next prime is 223145202221. The reversal of 223145202204 is 402202541322.

223145202204 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 452 + 0 + 2 + 204 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×223145202204³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3099238884 + ... + 3099238955.

It is an arithmetic number, because the mean of its divisors is an integer number (31336749080).

Almost surely, 2^223145202204 is an apocalyptic number.

It is an amenable number.

223145202204 is an abundant number, since it is smaller than the sum of its proper divisors (340916281236).

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

223145202204 is a wasteful number, since it uses less digits than its factorization.

223145202204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6198477849 (or 6198477844 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 223145202204 its reverse (402202541322), we get a palindrome (625347743526).

The spelling of 223145202204 in words is "two hundred twenty-three billion, one hundred forty-five million, two hundred two thousand, two hundred four".