243344321022 has 32 divisors (see below), whose sum is σ = 543882657024. Its totient is φ = 71942148800.

The previous prime is 243344321009. The next prime is 243344321029. The reversal of 243344321022 is 220123443342.

It is a super-2 number, since 2×243344321022² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243344321029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44961138 + ... + 44966549.

It is an arithmetic number, because the mean of its divisors is an integer number (16996333032).

Almost surely, 2^243344321022 is an apocalyptic number.

243344321022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243344321022 is an abundant number, since it is smaller than the sum of its proper divisors (300538336002).

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

243344321022 is a wasteful number, since it uses less digits than its factorization.

243344321022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89927744.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243344321022 its reverse (220123443342), we get a palindrome (463467764364).

The spelling of 243344321022 in words is "two hundred forty-three billion, three hundred forty-four million, three hundred twenty-one thousand, twenty-two".