2222443454381 has 2 divisors, whose sum is σ = 2222443454382. Its totient is φ = 2222443454380.

The previous prime is 2222443454353. The next prime is 2222443454401. The reversal of 2222443454381 is 1834543442222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1316834281156 + 905609173225 = 1147534^2 + 951635^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222443454381 - 2²⁶ = 2222376345517 is a prime.

It is a super-2 number, since 2×2222443454381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222413454381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111221727190 + 1111221727191.

It is an arithmetic number, because the mean of its divisors is an integer number (1111221727191).

Almost surely, 2^{2222443454381} is an apocalyptic number.

It is an amenable number.

2222443454381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222443454381 is an equidigital number, since it uses as much as digits as its factorization.

2222443454381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1474560, while the sum is 44.

The spelling of 2222443454381 in words is "two trillion, two hundred twenty-two billion, four hundred forty-three million, four hundred fifty-four thousand, three hundred eighty-one".