1002223554455 has 4 divisors (see below), whose sum is σ = 1202668265352. Its totient is φ = 801778843560.

The previous prime is 1002223554433. The next prime is 1002223554487. The reversal of 1002223554455 is 5544553222001.

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

It is not a de Polignac number, because 1002223554455 - 2¹⁸ = 1002223292311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100222355441 + ... + 100222355450.

It is an arithmetic number, because the mean of its divisors is an integer number (300667066338).

Almost surely, 2^{1002223554455} is an apocalyptic number.

1002223554455 is a deficient number, since it is larger than the sum of its proper divisors (200444710897).

1002223554455 is an equidigital number, since it uses as much as digits as its factorization.

1002223554455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200444710896.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 1002223554455 its reverse (5544553222001), we get a palindrome (6546776776456).

The spelling of 1002223554455 in words is "one trillion, two billion, two hundred twenty-three million, five hundred fifty-four thousand, four hundred fifty-five".