2221001033 has 16 divisors (see below), whose sum is σ = 2292442560. Its totient is φ = 2150952000.

The previous prime is 2221001011. The next prime is 2221001053. The reversal of 2221001033 is 3301001222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2221001033 - 2²² = 2216806729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2221000999 and 2221001017.

It is not an unprimeable number, because it can be changed into a prime (2221001053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167383 + ... + 1169283.

It is an arithmetic number, because the mean of its divisors is an integer number (143277660).

Almost surely, 2^2221001033 is an apocalyptic number.

It is an amenable number.

2221001033 is a deficient number, since it is larger than the sum of its proper divisors (71441527).

2221001033 is a wasteful number, since it uses less digits than its factorization.

2221001033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2221001033 is about 47127.4976314253. The cubic root of 2221001033 is about 1304.7167968808.

Adding to 2221001033 its reverse (3301001222), we get a palindrome (5522002255).

The spelling of 2221001033 in words is "two billion, two hundred twenty-one million, one thousand, thirty-three".