25722944 has 56 divisors (see below), whose sum is σ = 56327040. Its totient is φ = 11579904.

The previous prime is 25722899. The next prime is 25723007. The reversal of 25722944 is 44922752.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35417 + ... + 36135.

It is an arithmetic number, because the mean of its divisors is an integer number (1005840).

Almost surely, 2^25722944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25722944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28163520).

25722944 is an abundant number, since it is smaller than the sum of its proper divisors (30604096).

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

25722944 is a wasteful number, since it uses less digits than its factorization.

25722944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 777 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 25722944 is about 5071.7791750036. The cubic root of 25722944 is about 295.1935682581.

The spelling of 25722944 in words is "twenty-five million, seven hundred twenty-two thousand, nine hundred forty-four".