2202200021 has 24 divisors (see below), whose sum is σ = 2658540864. Its totient is φ = 1786625280.

The previous prime is 2202199991. The next prime is 2202200053. The reversal of 2202200021 is 1200022022.

2202200021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2202200021 - 2³⁰ = 1128458197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202199975 and 2202200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202200081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356126 + ... + 362256.

It is an arithmetic number, because the mean of its divisors is an integer number (110772536).

Almost surely, 2^2202200021 is an apocalyptic number.

It is an amenable number.

2202200021 is a deficient number, since it is larger than the sum of its proper divisors (456340843).

2202200021 is an equidigital number, since it uses as much as digits as its factorization.

2202200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281 (or 6258 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2202200021 is about 46927.6040406923. The cubic root of 2202200021 is about 1301.0248370392.

Adding to 2202200021 its reverse (1200022022), we get a palindrome (3402222043).

The spelling of 2202200021 in words is "two billion, two hundred two million, two hundred thousand, twenty-one".