25255722 has 16 divisors (see below), whose sum is σ = 50561280. Its totient is φ = 8410272.

The previous prime is 25255697. The next prime is 25255733. The reversal of 25255722 is 22755252.

It is a self number, because there is not a number n which added to its sum of digits gives 25255722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9358 + ... + 11750.

It is an arithmetic number, because the mean of its divisors is an integer number (3160080).

Almost surely, 2^25255722 is an apocalyptic number.

25255722 is an abundant number, since it is smaller than the sum of its proper divisors (25305558).

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

25255722 is a wasteful number, since it uses less digits than its factorization.

25255722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157.

The product of its digits is 14000, while the sum is 30.

The square root of 25255722 is about 5025.5071385881. The cubic root of 25255722 is about 293.3953745608.

The spelling of 25255722 in words is "twenty-five million, two hundred fifty-five thousand, seven hundred twenty-two".