25722798 has 16 divisors (see below), whose sum is σ = 51569616. Its totient is φ = 8553600.

The previous prime is 25722793. The next prime is 25722811. The reversal of 25722798 is 89722752.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25722793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2353 + ... + 7548.

It is an arithmetic number, because the mean of its divisors is an integer number (3223101).

Almost surely, 2^25722798 is an apocalyptic number.

25722798 is an abundant number, since it is smaller than the sum of its proper divisors (25846818).

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

25722798 is a wasteful number, since it uses less digits than its factorization.

25722798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10339.

The product of its digits is 141120, while the sum is 42.

The square root of 25722798 is about 5071.7647816120. The cubic root of 25722798 is about 295.1930097639.

The spelling of 25722798 in words is "twenty-five million, seven hundred twenty-two thousand, seven hundred ninety-eight".