2002255601 has 4 divisors (see below), whose sum is σ = 2044856832. Its totient is φ = 1959654372.

The previous prime is 2002255589. The next prime is 2002255609. The reversal of 2002255601 is 1065522002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002255601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002255609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21300545 + ... + 21300638.

It is an arithmetic number, because the mean of its divisors is an integer number (511214208).

Almost surely, 2^2002255601 is an apocalyptic number.

It is an amenable number.

2002255601 is a deficient number, since it is larger than the sum of its proper divisors (42601231).

2002255601 is an equidigital number, since it uses as much as digits as its factorization.

2002255601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42601230.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2002255601 is about 44746.5708295060. The cubic root of 2002255601 is about 1260.3945184768.

Adding to 2002255601 its reverse (1065522002), we get a palindrome (3067777603).

The spelling of 2002255601 in words is "two billion, two million, two hundred fifty-five thousand, six hundred one".