2002243401 has 8 divisors (see below), whose sum is σ = 2966286560. Its totient is φ = 1334828916.

The previous prime is 2002243379. The next prime is 2002243417. The reversal of 2002243401 is 1043422002.

2002243401 is a `hidden beast` number, since 20 + 0 + 2 + 243 + 401 = 666.

It is not a de Polignac number, because 2002243401 - 2⁷ = 2002243273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2002243501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37078555 + ... + 37078608.

It is an arithmetic number, because the mean of its divisors is an integer number (370785820).

Almost surely, 2^2002243401 is an apocalyptic number.

It is an amenable number.

2002243401 is a deficient number, since it is larger than the sum of its proper divisors (964043159).

2002243401 is an equidigital number, since it uses as much as digits as its factorization.

2002243401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74157172 (or 74157166 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2002243401 is about 44746.4345060028. The cubic root of 2002243401 is about 1260.3919585565.

Adding to 2002243401 its reverse (1043422002), we get a palindrome (3045665403).

The spelling of 2002243401 in words is "two billion, two million, two hundred forty-three thousand, four hundred one".