2220021233 has 4 divisors (see below), whose sum is σ = 2220219120. Its totient is φ = 2219823348.

The previous prime is 2220021227. The next prime is 2220021241. The reversal of 2220021233 is 3321200222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3321200222 = 2 ⋅1660600111.

It is a cyclic number.

It is not a de Polignac number, because 2220021233 - 2¹⁴ = 2220004849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220021283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81035 + ... + 104912.

It is an arithmetic number, because the mean of its divisors is an integer number (555054780).

Almost surely, 2^2220021233 is an apocalyptic number.

It is an amenable number.

2220021233 is a deficient number, since it is larger than the sum of its proper divisors (197887).

2220021233 is a wasteful number, since it uses less digits than its factorization.

2220021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197886.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2220021233 is about 47117.1012796840. The cubic root of 2220021233 is about 1304.5249089995.

Adding to 2220021233 its reverse (3321200222), we get a palindrome (5541221455).

The spelling of 2220021233 in words is "two billion, two hundred twenty million, twenty-one thousand, two hundred thirty-three".