25922406 has 16 divisors (see below), whose sum is σ = 52823664. Its totient is φ = 8477664.

The previous prime is 25922389. The next prime is 25922419. The reversal of 25922406 is 60422952.

It is a super-2 number, since 2×25922406² = 1343942265657672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 40441 + ... + 41076.

It is an arithmetic number, because the mean of its divisors is an integer number (3301479).

Almost surely, 2^25922406 is an apocalyptic number.

25922406 is an abundant number, since it is smaller than the sum of its proper divisors (26901258).

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

25922406 is a wasteful number, since it uses less digits than its factorization.

25922406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81575.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 25922406 is about 5091.4051105761. The cubic root of 25922406 is about 295.9546055904.

The spelling of 25922406 in words is "twenty-five million, nine hundred twenty-two thousand, four hundred six".