25448722 has 8 divisors (see below), whose sum is σ = 41109516. Its totient is φ = 11745552.

The previous prime is 25448707. The next prime is 25448723. The reversal of 25448722 is 22784452.

It can be written as a sum of positive squares in 2 ways, for example, as 24710841 + 737881 = 4971^2 + 859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25448723) 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, 489373 + ... + 489424.

Almost surely, 2^25448722 is an apocalyptic number.

25448722 is a deficient number, since it is larger than the sum of its proper divisors (15660794).

25448722 is a wasteful number, since it uses less digits than its factorization.

25448722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978812.

The product of its digits is 35840, while the sum is 34.

The square root of 25448722 is about 5044.6726355632. The cubic root of 25448722 is about 294.1408383172.

The spelling of 25448722 in words is "twenty-five million, four hundred forty-eight thousand, seven hundred twenty-two".