2226615525 has 36 divisors (see below), whose sum is σ = 3998791680. Its totient is φ = 1184349600.

The previous prime is 2226615437. The next prime is 2226615527. The reversal of 2226615525 is 5255166222.

2226615525 is a `hidden beast` number, since 22 + 26 + 61 + 552 + 5 = 666.

It is not a de Polignac number, because 2226615525 - 2¹⁰ = 2226614501 is a prime.

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 2226615525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226615527) 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 35 ways as a sum of consecutive naturals, for example, 72220 + ... + 98330.

Almost surely, 2^2226615525 is an apocalyptic number.

2226615525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2226615525 is a deficient number, since it is larger than the sum of its proper divisors (1772176155).

2226615525 is a wasteful number, since it uses less digits than its factorization.

2226615525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26506 (or 26498 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 2226615525 is about 47187.0270837229. The cubic root of 2226615525 is about 1305.8152742457.

The spelling of 2226615525 in words is "two billion, two hundred twenty-six million, six hundred fifteen thousand, five hundred twenty-five".