2001224499 has 24 divisors (see below), whose sum is σ = 2800751616. Its totient is φ = 1269727200.

The previous prime is 2001224497. The next prime is 2001224501. The reversal of 2001224499 is 9944221002.

It is an interprime number because it is at equal distance from previous prime (2001224497) and next prime (2001224501).

It is not a de Polignac number, because 2001224499 - 2¹ = 2001224497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001224497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343162 + ... + 348944.

It is an arithmetic number, because the mean of its divisors is an integer number (116697984).

Almost surely, 2^2001224499 is an apocalyptic number.

2001224499 is a deficient number, since it is larger than the sum of its proper divisors (799527117).

2001224499 is an equidigital number, since it uses as much as digits as its factorization.

2001224499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939 (or 5878 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2001224499 is about 44735.0477701768. The cubic root of 2001224499 is about 1260.1781261147.

The spelling of 2001224499 in words is "two billion, one million, two hundred twenty-four thousand, four hundred ninety-nine".