1220220383 has 2 divisors, whose sum is σ = 1220220384. Its totient is φ = 1220220382.

The previous prime is 1220220361. The next prime is 1220220401. The reversal of 1220220383 is 3830220221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220220383 - 2⁶ = 1220220319 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220220343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610110191 + 610110192.

It is an arithmetic number, because the mean of its divisors is an integer number (610110192).

Almost surely, 2^1220220383 is an apocalyptic number.

1220220383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220220383 is an equidigital number, since it uses as much as digits as its factorization.

1220220383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1220220383 is about 34931.6530241556. The cubic root of 1220220383 is about 1068.5940666542.

The spelling of 1220220383 in words is "one billion, two hundred twenty million, two hundred twenty thousand, three hundred eighty-three".