243200022 has 64 divisors (see below), whose sum is σ = 564350976. Its totient is φ = 69252480.

The previous prime is 243199973. The next prime is 243200039. The reversal of 243200022 is 220002342.

It is a junction number, because it is equal to n+sod(n) for n = 243199974 and 243200010.

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, 53428 + ... + 57800.

It is an arithmetic number, because the mean of its divisors is an integer number (8817984).

Almost surely, 2^243200022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243200022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282175488).

243200022 is an abundant number, since it is smaller than the sum of its proper divisors (321150954).

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

243200022 is a wasteful number, since it uses less digits than its factorization.

243200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 243200022 is about 15594.8716570544. The cubic root of 243200022 is about 624.1963191049.

Adding to 243200022 its reverse (220002342), we get a palindrome (463202364).

The spelling of 243200022 in words is "two hundred forty-three million, two hundred thousand, twenty-two".