2546622225 has 72 divisors (see below), whose sum is σ = 5222260992. Its totient is φ = 1162080000.

The previous prime is 2546622223. The next prime is 2546622227. The reversal of 2546622225 is 5222266452.

2546622225 is a `hidden beast` number, since 2 + 5 + 4 + 6 + 622 + 2 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (2546622223) and next prime (2546622227).

It is not a de Polignac number, because 2546622225 - 2¹ = 2546622223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2546622225.

It is not an unprimeable number, because it can be changed into a prime (2546622223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1181749 + ... + 1183901.

Almost surely, 2^2546622225 is an apocalyptic number.

2546622225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2546622225 is an abundant number, since it is smaller than the sum of its proper divisors (2675638767).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2546622225 is a wasteful number, since it uses less digits than its factorization.

2546622225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927 (or 2919 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 2546622225 is about 50464.0686528544. The cubic root of 2546622225 is about 1365.5937118578.

Adding to 2546622225 its reverse (5222266452), we get a palindrome (7768888677).

The spelling of 2546622225 in words is "two billion, five hundred forty-six million, six hundred twenty-two thousand, two hundred twenty-five".