25705722 has 16 divisors (see below), whose sum is σ = 58756032. Its totient is φ = 7344480.

The previous prime is 25705711. The next prime is 25705723. The reversal of 25705722 is 22750752.

It is a self number, because there is not a number n which added to its sum of digits gives 25705722.

It is not an unprimeable number, because it can be changed into a prime (25705723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305979 + ... + 306062.

It is an arithmetic number, because the mean of its divisors is an integer number (3672252).

Almost surely, 2^25705722 is an apocalyptic number.

25705722 is an abundant number, since it is smaller than the sum of its proper divisors (33050310).

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

25705722 is a wasteful number, since it uses less digits than its factorization.

25705722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612053.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 25705722 is about 5070.0810644407. The cubic root of 25705722 is about 295.1276743149.

The spelling of 25705722 in words is "twenty-five million, seven hundred five thousand, seven hundred twenty-two".