3144220525 has 24 divisors (see below), whose sum is σ = 3962183904. Its totient is φ = 2474760000.

The previous prime is 3144220517. The next prime is 3144220531. The reversal of 3144220525 is 5250224413.

It is not a de Polignac number, because 3144220525 - 2³ = 3144220517 is a prime.

It is a super-2 number, since 2×3144220525² = 19772245419662551250, 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 = 3144220493 and 3144220502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 517807 + ... + 523843.

It is an arithmetic number, because the mean of its divisors is an integer number (165090996).

Almost surely, 2^3144220525 is an apocalyptic number.

It is an amenable number.

3144220525 is a deficient number, since it is larger than the sum of its proper divisors (817963379).

3144220525 is a wasteful number, since it uses less digits than its factorization.

3144220525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381 (or 6376 counting only the distinct ones).

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

The square root of 3144220525 is about 56073.3495075869. The cubic root of 3144220525 is about 1465.0001397803. Note that the first 3 decimals are identical.

Adding to 3144220525 its reverse (5250224413), we get a palindrome (8394444938).

The spelling of 3144220525 in words is "three billion, one hundred forty-four million, two hundred twenty thousand, five hundred twenty-five".