2200081557 has 4 divisors (see below), whose sum is σ = 2933442080. Its totient is φ = 1466721036.

The previous prime is 2200081553. The next prime is 2200081561. The reversal of 2200081557 is 7551800022.

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 an interprime number because it is at equal distance from previous prime (2200081553) and next prime (2200081561).

It is not a de Polignac number, because 2200081557 - 2² = 2200081553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200081553) 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, 366680257 + ... + 366680262.

It is an arithmetic number, because the mean of its divisors is an integer number (733360520).

Almost surely, 2^2200081557 is an apocalyptic number.

It is an amenable number.

2200081557 is a deficient number, since it is larger than the sum of its proper divisors (733360523).

2200081557 is an equidigital number, since it uses as much as digits as its factorization.

2200081557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733360522.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 2200081557 is about 46905.0269907182. The cubic root of 2200081557 is about 1300.6075182189.

Adding to 2200081557 its reverse (7551800022), we get a palindrome (9751881579).

The spelling of 2200081557 in words is "two billion, two hundred million, eighty-one thousand, five hundred fifty-seven".