4221302525 has 12 divisors (see below), whose sum is σ = 5710271424. Its totient is φ = 3070038000.

The previous prime is 4221302507. The next prime is 4221302557. The reversal of 4221302525 is 5252031224.

4221302525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4221302525 - 2¹⁴ = 4221286141 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4221302494 and 4221302503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7674821 + ... + 7675370.

It is an arithmetic number, because the mean of its divisors is an integer number (475855952).

Almost surely, 2^4221302525 is an apocalyptic number.

It is an amenable number.

4221302525 is a deficient number, since it is larger than the sum of its proper divisors (1488968899).

4221302525 is a wasteful number, since it uses less digits than its factorization.

4221302525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15350212 (or 15350207 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4221302525 is about 64971.5516591685. The cubic root of 4221302525 is about 1616.1518332090.

Adding to 4221302525 its reverse (5252031224), we get a palindrome (9473333749).

The spelling of 4221302525 in words is "four billion, two hundred twenty-one million, three hundred two thousand, five hundred twenty-five".