2420221243 has 16 divisors (see below), whose sum is σ = 2783416320. Its totient is φ = 2083910400.

The previous prime is 2420221213. The next prime is 2420221249. The reversal of 2420221243 is 3421220242.

It is not a de Polignac number, because 2420221243 - 2⁵ = 2420221211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420221249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59478 + ... + 91531.

It is an arithmetic number, because the mean of its divisors is an integer number (173963520).

Almost surely, 2^2420221243 is an apocalyptic number.

2420221243 is a deficient number, since it is larger than the sum of its proper divisors (363195077).

2420221243 is a wasteful number, since it uses less digits than its factorization.

2420221243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151098.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2420221243 is about 49195.7441553637. The cubic root of 2420221243 is about 1342.6156016171.

Adding to 2420221243 its reverse (3421220242), we get a palindrome (5841441485).

The spelling of 2420221243 in words is "two billion, four hundred twenty million, two hundred twenty-one thousand, two hundred forty-three".