2202220381 has 2 divisors, whose sum is σ = 2202220382. Its totient is φ = 2202220380.

The previous prime is 2202220379. The next prime is 2202220411. The reversal of 2202220381 is 1830222022.

It is a happy number.

2202220381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2137675225 + 64545156 = 46235^2 + 8034^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202220381 - 2¹ = 2202220379 is a prime.

It is a super-2 number, since 2×2202220381² = 9699549212983570322, which contains 22 as substring.

Together with 2202220379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202223381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101110190 + 1101110191.

It is an arithmetic number, because the mean of its divisors is an integer number (1101110191).

Almost surely, 2^2202220381 is an apocalyptic number.

It is an amenable number.

2202220381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202220381 is an equidigital number, since it uses as much as digits as its factorization.

2202220381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2202220381 is about 46927.8209700813. The cubic root of 2202220381 is about 1301.0288464819.

The spelling of 2202220381 in words is "two billion, two hundred two million, two hundred twenty thousand, three hundred eighty-one".