2222445625 has 10 divisors (see below), whose sum is σ = 2777168834. Its totient is φ = 1777956000.

The previous prime is 2222445623. The next prime is 2222445697. The reversal of 2222445625 is 5265442222.

2222445625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 344176704 + 1878268921 = 18552^2 + 43339^2 .

It is not a de Polignac number, because 2222445625 - 2¹ = 2222445623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222445623) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1777332 + ... + 1778581.

Almost surely, 2^2222445625 is an apocalyptic number.

2222445625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2222445625 is a deficient number, since it is larger than the sum of its proper divisors (554723209).

2222445625 is an frugal number, since it uses more digits than its factorization.

2222445625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555933 (or 3555918 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

The square root of 2222445625 is about 47142.8215638394. The cubic root of 2222445625 is about 1304.9996085396. Note that the first 3 decimals are identical.

Adding to 2222445625 its reverse (5265442222), we get a palindrome (7487887847).

The spelling of 2222445625 in words is "two billion, two hundred twenty-two million, four hundred forty-five thousand, six hundred twenty-five".