4215522225 has 24 divisors (see below), whose sum is σ = 7272695232. Its totient is φ = 2150526400.

The previous prime is 4215522163. The next prime is 4215522247. The reversal of 4215522225 is 5222255124.

It is not a de Polignac number, because 4215522225 - 2¹⁰ = 4215521201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4215522192 and 4215522201.

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, 1220166 + ... + 1223615.

It is an arithmetic number, because the mean of its divisors is an integer number (303028968).

Almost surely, 2^4215522225 is an apocalyptic number.

It is an amenable number.

4215522225 is a deficient number, since it is larger than the sum of its proper divisors (3057173007).

4215522225 is a wasteful number, since it uses less digits than its factorization.

4215522225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443817 (or 2443812 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 4215522225 is about 64927.0531057740. The cubic root of 4215522225 is about 1615.4138216898.

Adding to 4215522225 its reverse (5222255124), we get a palindrome (9437777349).

The spelling of 4215522225 in words is "four billion, two hundred fifteen million, five hundred twenty-two thousand, two hundred twenty-five".