2345445225 has 18 divisors (see below), whose sum is σ = 4200953406. Its totient is φ = 1250904000.

The previous prime is 2345445197. The next prime is 2345445259. The reversal of 2345445225 is 5225445432.

It can be written as a sum of positive squares in 3 ways, for example, as 44036496 + 2301408729 = 6636^2 + 47973^2 .

It is not a de Polignac number, because 2345445225 - 2⁷ = 2345445097 is a prime.

It is a super-2 number, since 2×2345445225² = 11002226606950601250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2345445225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5211876 + ... + 5212325.

Almost surely, 2^2345445225 is an apocalyptic number.

2345445225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2345445225 is a deficient number, since it is larger than the sum of its proper divisors (1855508181).

2345445225 is a wasteful number, since it uses less digits than its factorization.

2345445225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10424217 (or 10424209 counting only the distinct ones).

The product of its digits is 192000, while the sum is 36.

The square root of 2345445225 is about 48429.7968713477. The cubic root of 2345445225 is about 1328.6433912509.

The spelling of 2345445225 in words is "two billion, three hundred forty-five million, four hundred forty-five thousand, two hundred twenty-five".