2225455145 has 4 divisors (see below), whose sum is σ = 2670546180. Its totient is φ = 1780364112.

The previous prime is 2225455129. The next prime is 2225455207. The reversal of 2225455145 is 5415545222.

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 819505129 + 1405950016 = 28627^2 + 37496^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225455145 - 2⁴ = 2225455129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222545510 + ... + 222545519.

It is an arithmetic number, because the mean of its divisors is an integer number (667636545).

Almost surely, 2^2225455145 is an apocalyptic number.

It is an amenable number.

2225455145 is a deficient number, since it is larger than the sum of its proper divisors (445091035).

2225455145 is an equidigital number, since it uses as much as digits as its factorization.

2225455145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445091034.

The product of its digits is 80000, while the sum is 35.

The square root of 2225455145 is about 47174.7299409334. The cubic root of 2225455145 is about 1305.5883969956.

The spelling of 2225455145 in words is "two billion, two hundred twenty-five million, four hundred fifty-five thousand, one hundred forty-five".