25620422 has 4 divisors (see below), whose sum is σ = 38430636. Its totient is φ = 12810210.

The previous prime is 25620409. The next prime is 25620431. The reversal of 25620422 is 22402652.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6405104 + ... + 6405107.

It is an arithmetic number, because the mean of its divisors is an integer number (9607659).

Almost surely, 2^25620422 is an apocalyptic number.

25620422 is a deficient number, since it is larger than the sum of its proper divisors (12810214).

25620422 is a wasteful number, since it uses less digits than its factorization.

25620422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12810213.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 25620422 is about 5061.6619800220. The cubic root of 25620422 is about 294.8008691560.

The spelling of 25620422 in words is "twenty-five million, six hundred twenty thousand, four hundred twenty-two".