2225561225 has 12 divisors (see below), whose sum is σ = 2765198016. Its totient is φ = 1776899280.

The previous prime is 2225561197. The next prime is 2225561263. The reversal of 2225561225 is 5221655222.

It is not a de Polignac number, because 2225561225 - 2⁶ = 2225561161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2225561191 and 2225561200.

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, 75917 + ... + 101066.

It is an arithmetic number, because the mean of its divisors is an integer number (230433168).

Almost surely, 2^2225561225 is an apocalyptic number.

2225561225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2225561225 is a deficient number, since it is larger than the sum of its proper divisors (539636791).

2225561225 is a wasteful number, since it uses less digits than its factorization.

2225561225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177496 (or 177491 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 2225561225 is about 47175.8542582962. The cubic root of 2225561225 is about 1305.6091410094.

The spelling of 2225561225 in words is "two billion, two hundred twenty-five million, five hundred sixty-one thousand, two hundred twenty-five".