204222453355 has 4 divisors (see below), whose sum is σ = 245066944032. Its totient is φ = 163377962680.

The previous prime is 204222453341. The next prime is 204222453371. The reversal of 204222453355 is 553354222402.

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

It is not a de Polignac number, because 204222453355 - 2³⁷ = 66783499883 is a prime.

It is a Duffinian 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, 20422245331 + ... + 20422245340.

It is an arithmetic number, because the mean of its divisors is an integer number (61266736008).

Almost surely, 2^204222453355 is an apocalyptic number.

204222453355 is a deficient number, since it is larger than the sum of its proper divisors (40844490677).

204222453355 is an equidigital number, since it uses as much as digits as its factorization.

204222453355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40844490676.

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 204222453355 its reverse (553354222402), we get a palindrome (757576675757).

The spelling of 204222453355 in words is "two hundred four billion, two hundred twenty-two million, four hundred fifty-three thousand, three hundred fifty-five".