25794220 has 12 divisors (see below), whose sum is σ = 54167904. Its totient is φ = 10317680.

The previous prime is 25794163. The next prime is 25794227. The reversal of 25794220 is 2249752.

It is not an unprimeable number, because it can be changed into a prime (25794227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644836 + ... + 644875.

It is an arithmetic number, because the mean of its divisors is an integer number (4513992).

Almost surely, 2^25794220 is an apocalyptic number.

25794220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25794220 is an abundant number, since it is smaller than the sum of its proper divisors (28373684).

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

25794220 is a wasteful number, since it uses less digits than its factorization.

25794220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289720 (or 1289718 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 25794220 is about 5078.8010396156. The cubic root of 25794220 is about 295.4659685596.

The spelling of 25794220 in words is "twenty-five million, seven hundred ninety-four thousand, two hundred twenty".