2243623525 has 48 divisors (see below), whose sum is σ = 3348410688. Its totient is φ = 1469376000.

The previous prime is 2243623519. The next prime is 2243623549. The reversal of 2243623525 is 5253263422.

It is not a de Polignac number, because 2243623525 - 2⁷ = 2243623397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138922 + ... + 154228.

It is an arithmetic number, because the mean of its divisors is an integer number (69758556).

Almost surely, 2^2243623525 is an apocalyptic number.

2243623525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2243623525 is a deficient number, since it is larger than the sum of its proper divisors (1104787163).

2243623525 is a wasteful number, since it uses less digits than its factorization.

2243623525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15382 (or 15377 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

The square root of 2243623525 is about 47366.9032658881. The cubic root of 2243623525 is about 1309.1316672353.

Adding to 2243623525 its reverse (5253263422), we get a palindrome (7496886947).

The spelling of 2243623525 in words is "two billion, two hundred forty-three million, six hundred twenty-three thousand, five hundred twenty-five".