1220222220203 has 8 divisors (see below), whose sum is σ = 1476571426272. Its totient is φ = 984380950656.

The previous prime is 1220222220197. The next prime is 1220222220209. The reversal of 1220222220203 is 3020222220221.

It is an interprime number because it is at equal distance from previous prime (1220222220197) and next prime (1220222220209).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220222220203 - 2²⁶ = 1220155111339 is a prime.

It is a super-2 number, since 2×1220222220203² (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 (1220222220209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5126984000 + ... + 5126984237.

It is an arithmetic number, because the mean of its divisors is an integer number (184571428284).

Almost surely, 2^{1220222220203} is an apocalyptic number.

1220222220203 is a deficient number, since it is larger than the sum of its proper divisors (256349206069).

1220222220203 is a wasteful number, since it uses less digits than its factorization.

1220222220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10253968261.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 1220222220203 its reverse (3020222220221), we get a palindrome (4240444440424).

The spelling of 1220222220203 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twenty thousand, two hundred three".