202423131222 has 64 divisors (see below), whose sum is σ = 446993648640. Its totient is φ = 60714374400.

The previous prime is 202423131203. The next prime is 202423131233. The reversal of 202423131222 is 222131324202.

It is a junction number, because it is equal to n+sod(n) for n = 202423131192 and 202423131201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3911029 + ... + 3962447.

It is an arithmetic number, because the mean of its divisors is an integer number (6984275760).

Almost surely, 2^202423131222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202423131222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223496824320).

202423131222 is an abundant number, since it is smaller than the sum of its proper divisors (244570517418).

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

202423131222 is a wasteful number, since it uses less digits than its factorization.

202423131222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52709.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202423131222 its reverse (222131324202), we get a palindrome (424554455424).

The spelling of 202423131222 in words is "two hundred two billion, four hundred twenty-three million, one hundred thirty-one thousand, two hundred twenty-two".