1222353221527 has 2 divisors, whose sum is σ = 1222353221528. Its totient is φ = 1222353221526.

The previous prime is 1222353221519. The next prime is 1222353221549. The reversal of 1222353221527 is 7251223532221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222353221527 - 2³ = 1222353221519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222353201527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611176610763 + 611176610764.

It is an arithmetic number, because the mean of its divisors is an integer number (611176610764).

Almost surely, 2^{1222353221527} is an apocalyptic number.

1222353221527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222353221527 is an equidigital number, since it uses as much as digits as its factorization.

1222353221527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 37.

Adding to 1222353221527 its reverse (7251223532221), we get a palindrome (8473576753748).

The spelling of 1222353221527 in words is "one trillion, two hundred twenty-two billion, three hundred fifty-three million, two hundred twenty-one thousand, five hundred twenty-seven".