223212144204 has 120 divisors (see below), whose sum is σ = 667055107488. Its totient is φ = 63758223360.

The previous prime is 223212144203. The next prime is 223212144241. The reversal of 223212144204 is 402441212322.

It is a happy number.

223212144204 is a `hidden beast` number, since 2 + 2 + 3 + 21 + 214 + 420 + 4 = 666.

It is a super-3 number, since 3×223212144204³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (223212144203) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10587834 + ... + 10608894.

Almost surely, 2^223212144204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223212144204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333527553744).

223212144204 is an abundant number, since it is smaller than the sum of its proper divisors (443842963284).

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

223212144204 is a wasteful number, since it uses less digits than its factorization.

223212144204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25757 (or 25746 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 223212144204 its reverse (402441212322), we get a palindrome (625653356526).

The spelling of 223212144204 in words is "two hundred twenty-three billion, two hundred twelve million, one hundred forty-four thousand, two hundred four".