243847422 has 240 divisors, whose sum is σ = 729978480. Its totient is φ = 60092928.

The previous prime is 243847411. The next prime is 243847433. The reversal of 243847422 is 224748342.

It is an interprime number because it is at equal distance from previous prime (243847411) and next prime (243847433).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1754229 + ... + 1754367.

It is an arithmetic number, because the mean of its divisors is an integer number (3041577).

Almost surely, 2^243847422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243847422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364989240).

243847422 is an abundant number, since it is smaller than the sum of its proper divisors (486131058).

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

243847422 is a wasteful number, since it uses less digits than its factorization.

243847422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 181 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 243847422 is about 15615.6146853078. The cubic root of 243847422 is about 624.7496998798.

The spelling of 243847422 in words is "two hundred forty-three million, eight hundred forty-seven thousand, four hundred twenty-two".