2512212225 has 24 divisors (see below), whose sum is σ = 4168236192. Its totient is φ = 1335100800.

The previous prime is 2512212223. The next prime is 2512212253. The reversal of 2512212225 is 5222122152.

It is not a de Polignac number, because 2512212225 - 2¹ = 2512212223 is a prime.

It is a super-2 number, since 2×2512212225² = 12622420526878901250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2512212195 and 2512212204.

It is not an unprimeable number, because it can be changed into a prime (2512212221) 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, 37956 + ... + 80405.

It is an arithmetic number, because the mean of its divisors is an integer number (173676508).

Almost surely, 2^2512212225 is an apocalyptic number.

2512212225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2512212225 is a deficient number, since it is larger than the sum of its proper divisors (1656023967).

2512212225 is a wasteful number, since it uses less digits than its factorization.

2512212225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118657 (or 118652 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 2512212225 is about 50121.9734747147. The cubic root of 2512212225 is about 1359.4151581742.

Adding to 2512212225 its reverse (5222122152), we get a palindrome (7734334377).

The spelling of 2512212225 in words is "two billion, five hundred twelve million, two hundred twelve thousand, two hundred twenty-five".