25622448 has 20 divisors (see below), whose sum is σ = 66191448. Its totient is φ = 8540800.

The previous prime is 25622413. The next prime is 25622449. The reversal of 25622448 is 84422652.

It is not an unprimeable number, because it can be changed into a prime (25622449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266853 + ... + 266948.

Almost surely, 2^25622448 is an apocalyptic number.

It is an amenable number.

25622448 is an abundant number, since it is smaller than the sum of its proper divisors (40569000).

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

25622448 is a wasteful number, since it uses less digits than its factorization.

25622448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533812 (or 533806 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 25622448 is about 5061.8621079599. The cubic root of 25622448 is about 294.8086396606.

The spelling of 25622448 in words is "twenty-five million, six hundred twenty-two thousand, four hundred forty-eight".