2248688025 has 18 divisors (see below), whose sum is σ = 4027650510. Its totient is φ = 1199300160.

The previous prime is 2248688003. The next prime is 2248688033. The reversal of 2248688025 is 5208868422.

It can be written as a sum of positive squares in 3 ways, for example, as 219365721 + 2029322304 = 14811^2 + 45048^2 .

It is not a de Polignac number, because 2248688025 - 2⁵ = 2248687993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4996860 + ... + 4997309.

Almost surely, 2^2248688025 is an apocalyptic number.

2248688025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2248688025 is a deficient number, since it is larger than the sum of its proper divisors (1778962485).

2248688025 is a wasteful number, since it uses less digits than its factorization.

2248688025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9994185 (or 9994177 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 2248688025 is about 47420.3334551751. Note that the first 3 decimals coincide. The cubic root of 2248688025 is about 1310.1159552002.

The spelling of 2248688025 in words is "two billion, two hundred forty-eight million, six hundred eighty-eight thousand, twenty-five".