228001099553 has 4 divisors (see below), whose sum is σ = 228176351508. Its totient is φ = 227825847600.

The previous prime is 228001099531. The next prime is 228001099591. The reversal of 228001099553 is 355990100822.

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 13750611169 + 214250488384 = 117263^2 + 462872^2 .

It is a cyclic number.

It is not a de Polignac number, because 228001099553 - 2⁶ = 228001099489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228001098553) 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, 87624026 + ... + 87626627.

It is an arithmetic number, because the mean of its divisors is an integer number (57044087877).

Almost surely, 2^228001099553 is an apocalyptic number.

It is an amenable number.

228001099553 is a deficient number, since it is larger than the sum of its proper divisors (175251955).

228001099553 is a wasteful number, since it uses less digits than its factorization.

228001099553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175251954.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 228001099553 in words is "two hundred twenty-eight billion, one million, ninety-nine thousand, five hundred fifty-three".