2420322442221 has 16 divisors (see below), whose sum is σ = 3331476561920. Its totient is φ = 1561367061360.

The previous prime is 2420322442201. The next prime is 2420322442229. The reversal of 2420322442221 is 1222442230242.

It is a happy number.

It is not a de Polignac number, because 2420322442221 - 2⁹ = 2420322441709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420322442229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24096 + ... + 2200278.

It is an arithmetic number, because the mean of its divisors is an integer number (208217285120).

Almost surely, 2^{2420322442221} is an apocalyptic number.

It is an amenable number.

2420322442221 is a deficient number, since it is larger than the sum of its proper divisors (911154119699).

2420322442221 is a wasteful number, since it uses less digits than its factorization.

2420322442221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188176.

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

Adding to 2420322442221 its reverse (1222442230242), we get a palindrome (3642764672463).

The spelling of 2420322442221 in words is "two trillion, four hundred twenty billion, three hundred twenty-two million, four hundred forty-two thousand, two hundred twenty-one".