223131002202 has 96 divisors (see below), whose sum is σ = 520418982720. Its totient is φ = 68881052160.

The previous prime is 223131002201. The next prime is 223131002203. The reversal of 223131002202 is 202200131322.

It is an interprime number because it is at equal distance from previous prime (223131002201) and next prime (223131002203).

It is a super-3 number, since 3×223131002202³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (223131002201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3367698 + ... + 3433314.

It is an arithmetic number, because the mean of its divisors is an integer number (5421031070).

Almost surely, 2^223131002202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223131002202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260209491360).

223131002202 is an abundant number, since it is smaller than the sum of its proper divisors (297287980518).

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

223131002202 is a wasteful number, since it uses less digits than its factorization.

223131002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65868 (or 65865 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 223131002202 its reverse (202200131322), we get a palindrome (425331133524).

The spelling of 223131002202 in words is "two hundred twenty-three billion, one hundred thirty-one million, two thousand, two hundred two".