1220222332159 has 2 divisors, whose sum is σ = 1220222332160. Its totient is φ = 1220222332158.

The previous prime is 1220222332157. The next prime is 1220222332211. The reversal of 1220222332159 is 9512332220221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220222332159 - 2¹ = 1220222332157 is a prime.

Together with 1220222332157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220222332157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610111166079 + 610111166080.

It is an arithmetic number, because the mean of its divisors is an integer number (610111166080).

Almost surely, 2^{1220222332159} is an apocalyptic number.

1220222332159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220222332159 is an equidigital number, since it uses as much as digits as its factorization.

1220222332159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 1220222332159 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, three hundred thirty-two thousand, one hundred fifty-nine".