1022331221227 has 2 divisors, whose sum is σ = 1022331221228. Its totient is φ = 1022331221226.

The previous prime is 1022331221189. The next prime is 1022331221279. The reversal of 1022331221227 is 7221221332201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022331221227 - 2⁷ = 1022331221099 is a prime.

It is a super-2 number, since 2×1022331221227² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1022331221195 and 1022331221204.

It is not a weakly prime, because it can be changed into another prime (1022331221297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511165610613 + 511165610614.

It is an arithmetic number, because the mean of its divisors is an integer number (511165610614).

Almost surely, 2^{1022331221227} is an apocalyptic number.

1022331221227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022331221227 is an equidigital number, since it uses as much as digits as its factorization.

1022331221227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 1022331221227 its reverse (7221221332201), we get a palindrome (8243552553428).

The spelling of 1022331221227 in words is "one trillion, twenty-two billion, three hundred thirty-one million, two hundred twenty-one thousand, two hundred twenty-seven".