243155042022 has 32 divisors (see below), whose sum is σ = 517184963712. Its totient is φ = 75947874944.

The previous prime is 243155041973. The next prime is 243155042047. The reversal of 243155042022 is 220240551342.

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 15 ways as a sum of consecutive naturals, for example, 5227668 + ... + 5273975.

It is an arithmetic number, because the mean of its divisors is an integer number (16162030116).

Almost surely, 2^243155042022 is an apocalyptic number.

243155042022 is an abundant number, since it is smaller than the sum of its proper divisors (274029921690).

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

243155042022 is a wasteful number, since it uses less digits than its factorization.

243155042022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501892.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 243155042022 its reverse (220240551342), we get a palindrome (463395593364).

The spelling of 243155042022 in words is "two hundred forty-three billion, one hundred fifty-five million, forty-two thousand, twenty-two".