22245425512345 has 16 divisors (see below), whose sum is σ = 30529037708928. Its totient is φ = 15243493276800.

The previous prime is 22245425512279. The next prime is 22245425512367. The reversal of 22245425512345 is 54321552454222.

It is not a de Polignac number, because 22245425512345 - 2⁹ = 22245425511833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22245425512295 and 22245425512304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218964924 + ... + 219066493.

It is an arithmetic number, because the mean of its divisors is an integer number (1908064856808).

Almost surely, 2^{22245425512345} is an apocalyptic number.

It is an amenable number.

22245425512345 is a deficient number, since it is larger than the sum of its proper divisors (8283612196583).

22245425512345 is a wasteful number, since it uses less digits than its factorization.

22245425512345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438032880.

The product of its digits is 3840000, while the sum is 46.

Adding to 22245425512345 its reverse (54321552454222), we get a palindrome (76566977966567).

The spelling of 22245425512345 in words is "twenty-two trillion, two hundred forty-five billion, four hundred twenty-five million, five hundred twelve thousand, three hundred forty-five".