2221000033 has 8 divisors (see below), whose sum is σ = 2586178368. Its totient is φ = 1867794864.

The previous prime is 2220999997. The next prime is 2221000043. The reversal of 2221000033 is 3300001222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221000033 - 2¹³ = 2220991841 is a prime.

It is a super-2 number, since 2×2221000033² = 9865682293172002178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220999977 and 2221000022.

It is not an unprimeable number, because it can be changed into a prime (2221000043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2992891 + ... + 2993632.

It is an arithmetic number, because the mean of its divisors is an integer number (323272296).

Almost surely, 2^2221000033 is an apocalyptic number.

It is an amenable number.

2221000033 is a deficient number, since it is larger than the sum of its proper divisors (365178335).

2221000033 is an equidigital number, since it uses as much as digits as its factorization.

2221000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5986583.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2221000033 is about 47127.4870219069. The cubic root of 2221000033 is about 1304.7166010657.

Adding to 2221000033 its reverse (3300001222), we get a palindrome (5521001255).

The spelling of 2221000033 in words is "two billion, two hundred twenty-one million, thirty-three", and thus it is an aban number.