2222202021 has 16 divisors (see below), whose sum is σ = 3211186944. Its totient is φ = 1358794944.

The previous prime is 2222202011. The next prime is 2222202029. The reversal of 2222202021 is 1202022222.

It is not a de Polignac number, because 2222202021 - 2¹⁰ = 2222200997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222202029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175341 + ... + 187586.

It is an arithmetic number, because the mean of its divisors is an integer number (200699184).

Almost surely, 2^2222202021 is an apocalyptic number.

It is an amenable number.

2222202021 is a deficient number, since it is larger than the sum of its proper divisors (988984923).

2222202021 is a wasteful number, since it uses less digits than its factorization.

2222202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363100.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2222202021 is about 47140.2378122979. The cubic root of 2222202021 is about 1304.9519261221.

Adding to 2222202021 its reverse (1202022222), we get a palindrome (3424224243).

The spelling of 2222202021 in words is "two billion, two hundred twenty-two million, two hundred two thousand, twenty-one".