2245441557 has 4 divisors (see below), whose sum is σ = 2993922080. Its totient is φ = 1496961036.

The previous prime is 2245441543. The next prime is 2245441573. The reversal of 2245441557 is 7551445422.

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 not a de Polignac number, because 2245441557 - 2¹⁴ = 2245425173 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 (2245441157) 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, 374240257 + ... + 374240262.

It is an arithmetic number, because the mean of its divisors is an integer number (748480520).

Almost surely, 2^2245441557 is an apocalyptic number.

It is an amenable number.

2245441557 is a deficient number, since it is larger than the sum of its proper divisors (748480523).

2245441557 is an equidigital number, since it uses as much as digits as its factorization.

2245441557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748480522.

The product of its digits is 224000, while the sum is 39.

The square root of 2245441557 is about 47386.0903325016. The cubic root of 2245441557 is about 1309.4851728730.

Adding to 2245441557 its reverse (7551445422), we get a palindrome (9796886979).

The spelling of 2245441557 in words is "two billion, two hundred forty-five million, four hundred forty-one thousand, five hundred fifty-seven".