2421440022243 has 32 divisors (see below), whose sum is σ = 3707587814400. Its totient is φ = 1390255552800.

The previous prime is 2421440022163. The next prime is 2421440022247. The reversal of 2421440022243 is 3422200441242.

It is a happy number.

It is not a de Polignac number, because 2421440022243 - 2³³ = 2412850087651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2421440022243.

It is not an unprimeable number, because it can be changed into a prime (2421440022247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35460988 + ... + 35529206.

It is an arithmetic number, because the mean of its divisors is an integer number (115862119200).

Almost surely, 2^{2421440022243} is an apocalyptic number.

2421440022243 is a deficient number, since it is larger than the sum of its proper divisors (1286147792157).

2421440022243 is a wasteful number, since it uses less digits than its factorization.

2421440022243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124863.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 2421440022243 its reverse (3422200441242), we get a palindrome (5843640463485).

The spelling of 2421440022243 in words is "two trillion, four hundred twenty-one billion, four hundred forty million, twenty-two thousand, two hundred forty-three".