2663346225 has 48 divisors (see below), whose sum is σ = 4823262720. Its totient is φ = 1290777600.

The previous prime is 2663346209. The next prime is 2663346229. The reversal of 2663346225 is 5226433662.

It is not a de Polignac number, because 2663346225 - 2⁴ = 2663346209 is a prime.

It is a super-2 number, since 2×2663346225² = 14186826228443501250, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2663346229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 960 + ... + 72990.

It is an arithmetic number, because the mean of its divisors is an integer number (100484640).

Almost surely, 2^2663346225 is an apocalyptic number.

2663346225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2663346225 is a deficient number, since it is larger than the sum of its proper divisors (2159916495).

2663346225 is a wasteful number, since it uses less digits than its factorization.

2663346225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72090 (or 72085 counting only the distinct ones).

The product of its digits is 311040, while the sum is 39.

The square root of 2663346225 is about 51607.6178969733. The cubic root of 2663346225 is about 1386.1467432277.

Adding to 2663346225 its reverse (5226433662), we get a palindrome (7889779887).

The spelling of 2663346225 in words is "two billion, six hundred sixty-three million, three hundred forty-six thousand, two hundred twenty-five".