2001224106 has 96 divisors (see below), whose sum is σ = 5117523840. Its totient is φ = 553246848.

The previous prime is 2001224101. The next prime is 2001224107. The reversal of 2001224106 is 6014221002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2001224101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 917325 + ... + 919503.

It is an arithmetic number, because the mean of its divisors is an integer number (53307540).

Almost surely, 2^2001224106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001224106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2558761920).

2001224106 is an abundant number, since it is smaller than the sum of its proper divisors (3116299734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001224106 is a wasteful number, since it uses less digits than its factorization.

2001224106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428 (or 2425 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2001224106 is about 44735.0433776475. The cubic root of 2001224106 is about 1260.1780436235.

Adding to 2001224106 its reverse (6014221002), we get a palindrome (8015445108).

The spelling of 2001224106 in words is "two billion, one million, two hundred twenty-four thousand, one hundred six".