25980722 has 4 divisors (see below), whose sum is σ = 38971086. Its totient is φ = 12990360.

The previous prime is 25980719. The next prime is 25980727. The reversal of 25980722 is 22708952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24790441 + 1190281 = 4979^2 + 1091^2 .

It is not an unprimeable number, because it can be changed into a prime (25980727) 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 as a sum of consecutive naturals, namely, 6495179 + ... + 6495182.

Almost surely, 2^25980722 is an apocalyptic number.

25980722 is a deficient number, since it is larger than the sum of its proper divisors (12990364).

25980722 is a wasteful number, since it uses less digits than its factorization.

25980722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12990363.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 25980722 is about 5097.1287996283. The cubic root of 25980722 is about 296.1763695071.

The spelling of 25980722 in words is "twenty-five million, nine hundred eighty thousand, seven hundred twenty-two".