25898622 has 16 divisors (see below), whose sum is σ = 52311312. Its totient is φ = 8547200.

The previous prime is 25898611. The next prime is 25898627. The reversal of 25898622 is 22689852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25898627) 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, 20763 + ... + 21974.

It is an arithmetic number, because the mean of its divisors is an integer number (3269457).

Almost surely, 2^25898622 is an apocalyptic number.

25898622 is an abundant number, since it is smaller than the sum of its proper divisors (26412690).

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

25898622 is a wasteful number, since it uses less digits than its factorization.

25898622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42843.

The product of its digits is 138240, while the sum is 42.

The square root of 25898622 is about 5089.0688735760. The cubic root of 25898622 is about 295.8640643779.

It can be divided in two parts, 2589 and 8622, that added together give a palindrome (11211).

The spelling of 25898622 in words is "twenty-five million, eight hundred ninety-eight thousand, six hundred twenty-two".