243420441022 has 24 divisors (see below), whose sum is σ = 404502190848. Its totient is φ = 109774415520.

The previous prime is 243420441001. The next prime is 243420441053. The reversal of 243420441022 is 220144024342.

It is a super-2 number, since 2×243420441022² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3929383 + ... + 3990850.

It is an arithmetic number, because the mean of its divisors is an integer number (16854257952).

Almost surely, 2^243420441022 is an apocalyptic number.

243420441022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243420441022 is a deficient number, since it is larger than the sum of its proper divisors (161081749826).

243420441022 is a wasteful number, since it uses less digits than its factorization.

243420441022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920384 (or 7920373 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 243420441022 its reverse (220144024342), we get a palindrome (463564465364).

The spelling of 243420441022 in words is "two hundred forty-three billion, four hundred twenty million, four hundred forty-one thousand, twenty-two".