1003222555553 has 4 divisors (see below), whose sum is σ = 1003225422468. Its totient is φ = 1003219688640.

The previous prime is 1003222555541. The next prime is 1003222555561. The reversal of 1003222555553 is 3555552223001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101829915664 + 901392639889 = 319108^2 + 949417^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003222555553 - 2²⁰ = 1003221506977 is a prime.

It is a super-2 number, since 2×1003222555553² (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 (1003222551553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821468 + ... + 1637453.

It is an arithmetic number, because the mean of its divisors is an integer number (250806355617).

Almost surely, 2^{1003222555553} is an apocalyptic number.

It is an amenable number.

1003222555553 is a deficient number, since it is larger than the sum of its proper divisors (2866915).

1003222555553 is an equidigital number, since it uses as much as digits as its factorization.

1003222555553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866914.

The product of its (nonzero) digits is 225000, while the sum is 38.

Adding to 1003222555553 its reverse (3555552223001), we get a palindrome (4558774778554).

The spelling of 1003222555553 in words is "one trillion, three billion, two hundred twenty-two million, five hundred fifty-five thousand, five hundred fifty-three".