2002444231 has 2 divisors, whose sum is σ = 2002444232. Its totient is φ = 2002444230.

The previous prime is 2002444211. The next prime is 2002444237. The reversal of 2002444231 is 1324442002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002444231 - 2¹³ = 2002436039 is a prime.

It is a super-2 number, since 2×2002444231² = 8019565796530362722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002444237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001222115 + 1001222116.

It is an arithmetic number, because the mean of its divisors is an integer number (1001222116).

Almost surely, 2^2002444231 is an apocalyptic number.

2002444231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002444231 is an equidigital number, since it uses as much as digits as its factorization.

2002444231 is an evil number, because the sum of its binary digits is even.

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

The square root of 2002444231 is about 44748.6785391479. The cubic root of 2002444231 is about 1260.4340972985.

Adding to 2002444231 its reverse (1324442002), we get a palindrome (3326886233).

The spelling of 2002444231 in words is "two billion, two million, four hundred forty-four thousand, two hundred thirty-one".