1222555203 has 6 divisors (see below), whose sum is σ = 1765913084. Its totient is φ = 815036796.

The previous prime is 1222555183. The next prime is 1222555241. The reversal of 1222555203 is 3025552221.

1222555203 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1222555203 - 2⁸ = 1222554947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222555253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67919725 + ... + 67919742.

Almost surely, 2^1222555203 is an apocalyptic number.

1222555203 is a deficient number, since it is larger than the sum of its proper divisors (543357881).

1222555203 is a wasteful number, since it uses less digits than its factorization.

1222555203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135839473 (or 135839470 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1222555203 is about 34965.0568854106. The cubic root of 1222555203 is about 1069.2751963893.

The spelling of 1222555203 in words is "one billion, two hundred twenty-two million, five hundred fifty-five thousand, two hundred three".