2230222020221 has 4 divisors (see below), whose sum is σ = 2401777560252. Its totient is φ = 2058666480192.

The previous prime is 2230222020209. The next prime is 2230222020233. The reversal of 2230222020221 is 1220202220322.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2230222020209) and next prime (2230222020233).

It can be written as a sum of positive squares in 2 ways, for example, as 1212231828196 + 1017990192025 = 1101014^2 + 1008955^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230222020221 - 2²² = 2230217825917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2230222020193 and 2230222020202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230221020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85777769996 + ... + 85777770021.

It is an arithmetic number, because the mean of its divisors is an integer number (600444390063).

Almost surely, 2^{2230222020221} is an apocalyptic number.

It is an amenable number.

2230222020221 is a deficient number, since it is larger than the sum of its proper divisors (171555540031).

2230222020221 is a wasteful number, since it uses less digits than its factorization.

2230222020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171555540030.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 2230222020221 its reverse (1220202220322), we get a palindrome (3450424240543).

The spelling of 2230222020221 in words is "two trillion, two hundred thirty billion, two hundred twenty-two million, twenty thousand, two hundred twenty-one".