2228787425 has 12 divisors (see below), whose sum is σ = 2767910640. Its totient is φ = 1780311120.

The previous prime is 2228787413. The next prime is 2228787427. The reversal of 2228787425 is 5247878222.

It is not a de Polignac number, because 2228787425 - 2¹⁰ = 2228786401 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228787425.

It is not an unprimeable number, because it can be changed into a prime (2228787427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51167 + ... + 84116.

It is an arithmetic number, because the mean of its divisors is an integer number (230659220).

Almost surely, 2^2228787425 is an apocalyptic number.

2228787425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2228787425 is a deficient number, since it is larger than the sum of its proper divisors (539123215).

2228787425 is a wasteful number, since it uses less digits than its factorization.

2228787425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135952 (or 135947 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 47.

The square root of 2228787425 is about 47210.0352149837. The cubic root of 2228787425 is about 1306.2397119219.

The spelling of 2228787425 in words is "two billion, two hundred twenty-eight million, seven hundred eighty-seven thousand, four hundred twenty-five".