4215017444225 has 24 divisors (see below), whose sum is σ = 5973614384448. Its totient is φ = 2890136779200.

The previous prime is 4215017444221. The next prime is 4215017444263. The reversal of 4215017444225 is 5224447105124.

It is not a de Polignac number, because 4215017444225 - 2² = 4215017444221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4215017444221) 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, 2525627 + ... + 3848223.

It is an arithmetic number, because the mean of its divisors is an integer number (248900599352).

Almost surely, 2^{4215017444225} is an apocalyptic number.

It is an amenable number.

4215017444225 is a deficient number, since it is larger than the sum of its proper divisors (1758596940223).

4215017444225 is a wasteful number, since it uses less digits than its factorization.

4215017444225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340825 (or 1340820 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 41.

The spelling of 4215017444225 in words is "four trillion, two hundred fifteen billion, seventeen million, four hundred forty-four thousand, two hundred twenty-five".