4402155425 has 6 divisors (see below), whose sum is σ = 5458672758. Its totient is φ = 3521724320.

The previous prime is 4402155421. The next prime is 4402155497. The reversal of 4402155425 is 5245512044.

It can be written as a sum of positive squares in 3 ways, for example, as 1027010209 + 3375145216 = 32047^2 + 58096^2 .

It is not a de Polignac number, because 4402155425 - 2² = 4402155421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4402155391 and 4402155400.

It is not an unprimeable number, because it can be changed into a prime (4402155421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88043084 + ... + 88043133.

It is an arithmetic number, because the mean of its divisors is an integer number (909778793).

Almost surely, 2^4402155425 is an apocalyptic number.

It is an amenable number.

4402155425 is a deficient number, since it is larger than the sum of its proper divisors (1056517333).

4402155425 is a wasteful number, since it uses less digits than its factorization.

4402155425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176086227 (or 176086222 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 4402155425 is about 66348.7409451001. The cubic root of 4402155425 is about 1638.9100710893.

Adding to 4402155425 its reverse (5245512044), we get a palindrome (9647667469).

The spelling of 4402155425 in words is "four billion, four hundred two million, one hundred fifty-five thousand, four hundred twenty-five".