4220345125 has 16 divisors (see below), whose sum is σ = 5307217344. Its totient is φ = 3350490000.

The previous prime is 4220345117. The next prime is 4220345153. The reversal of 4220345125 is 5215430224.

It is not a de Polignac number, because 4220345125 - 2³ = 4220345117 is a prime.

It is a super-2 number, since 2×4220345125² = 35622625948222531250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4220345093 and 4220345102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112491 + ... + 145240.

It is an arithmetic number, because the mean of its divisors is an integer number (331701084).

Almost surely, 2^4220345125 is an apocalyptic number.

It is an amenable number.

4220345125 is a deficient number, since it is larger than the sum of its proper divisors (1086872219).

4220345125 is a wasteful number, since it uses less digits than its factorization.

4220345125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257877 (or 257867 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4220345125 is about 64964.1834013174. The cubic root of 4220345125 is about 1616.0296417963.

Adding to 4220345125 its reverse (5215430224), we get a palindrome (9435775349).

The spelling of 4220345125 in words is "four billion, two hundred twenty million, three hundred forty-five thousand, one hundred twenty-five".