2223249525 has 192 divisors, whose sum is σ = 4883893760. Its totient is φ = 982575360.

The previous prime is 2223249517. The next prime is 2223249569. The reversal of 2223249525 is 5259423222.

It is a happy number.

2223249525 is a `hidden beast` number, since 222 + 324 + 95 + 25 = 666.

It is not a de Polignac number, because 2223249525 - 2³ = 2223249517 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 2223249525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14160747 + ... + 14160903.

Almost surely, 2^2223249525 is an apocalyptic number.

2223249525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2223249525 is an abundant number, since it is smaller than the sum of its proper divisors (2660644235).

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

2223249525 is an equidigital number, since it uses as much as digits as its factorization.

2223249525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 209 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 2223249525 is about 47151.3470115118. The cubic root of 2223249525 is about 1305.1569371310.

The spelling of 2223249525 in words is "two billion, two hundred twenty-three million, two hundred forty-nine thousand, five hundred twenty-five".