2002222399 has 4 divisors (see below), whose sum is σ = 2014506136. Its totient is φ = 1989938664.

The previous prime is 2002222361. The next prime is 2002222429. The reversal of 2002222399 is 9932222002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9932222002 = 2 ⋅4966111001.

It is a cyclic number.

It is not a de Polignac number, because 2002222399 - 2²¹ = 2000125247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002222399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002225399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6141624 + ... + 6141949.

It is an arithmetic number, because the mean of its divisors is an integer number (503626534).

Almost surely, 2^2002222399 is an apocalyptic number.

2002222399 is a deficient number, since it is larger than the sum of its proper divisors (12283737).

2002222399 is a wasteful number, since it uses less digits than its factorization.

2002222399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12283736.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2002222399 is about 44746.1998274714. The cubic root of 2002222399 is about 1260.3875516922.

The spelling of 2002222399 in words is "two billion, two million, two hundred twenty-two thousand, three hundred ninety-nine".