4222150525 has 24 divisors (see below), whose sum is σ = 5302974824. Its totient is φ = 3334348800.

The previous prime is 4222150523. The next prime is 4222150547. The reversal of 4222150525 is 5250512224.

It can be written as a sum of positive squares in 12 ways, for example, as 3183442084 + 1038708441 = 56422^2 + 32229^2 .

It is not a de Polignac number, because 4222150525 - 2¹ = 4222150523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4222150493 and 4222150502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222150523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1048015 + ... + 1052035.

Almost surely, 2^4222150525 is an apocalyptic number.

It is an amenable number.

4222150525 is a deficient number, since it is larger than the sum of its proper divisors (1080824299).

4222150525 is a wasteful number, since it uses less digits than its factorization.

4222150525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561 (or 4556 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 4222150525 is about 64978.0772645667. The cubic root of 4222150525 is about 1616.2600466483.

Adding to 4222150525 its reverse (5250512224), we get a palindrome (9472662749).

The spelling of 4222150525 in words is "four billion, two hundred twenty-two million, one hundred fifty thousand, five hundred twenty-five".