1822254522281 has 4 divisors (see below), whose sum is σ = 1828190205072. Its totient is φ = 1816318839492.

The previous prime is 1822254522239. The next prime is 1822254522301.

1822254522281 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1822254522281 - 2⁶ = 1822254522217 is a prime.

It is a super-2 number, since 2×1822254522281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1822254552281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2967840935 + ... + 2967841548.

It is an arithmetic number, because the mean of its divisors is an integer number (457047551268).

Almost surely, 2^{1822254522281} is an apocalyptic number.

It is an amenable number.

1822254522281 is a deficient number, since it is larger than the sum of its proper divisors (5935682791).

1822254522281 is an equidigital number, since it uses as much as digits as its factorization.

1822254522281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935682790.

The product of its digits is 409600, while the sum is 44.

The spelling of 1822254522281 in words is "one trillion, eight hundred twenty-two billion, two hundred fifty-four million, five hundred twenty-two thousand, two hundred eighty-one".