2222000381 has 2 divisors, whose sum is σ = 2222000382. Its totient is φ = 2222000380.

The previous prime is 2222000269. The next prime is 2222000383. The reversal of 2222000381 is 1830002222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1907505625 + 314494756 = 43675^2 + 17734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222000381 is a prime.

It is a super-2 number, since 2×2222000381² = 9874571386328290322, which contains 22 as substring.

Together with 2222000383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222000383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111000190 + 1111000191.

It is an arithmetic number, because the mean of its divisors is an integer number (1111000191).

Almost surely, 2^2222000381 is an apocalyptic number.

It is an amenable number.

2222000381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222000381 is an equidigital number, since it uses as much as digits as its factorization.

2222000381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2222000381 is about 47138.0990388879. The cubic root of 2222000381 is about 1304.9124549934.

The spelling of 2222000381 in words is "two billion, two hundred twenty-two million, three hundred eighty-one", and thus it is an aban number.