25022226 has 8 divisors (see below), whose sum is σ = 50044464. Its totient is φ = 8340740.

The previous prime is 25022213. The next prime is 25022227. The reversal of 25022226 is 62222052.

It is a sphenic number, since it is the product of 3 distinct primes.

25022226 is an admirable number.

It is a super-2 number, since 2×25022226² = 1252223587990152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25022227) 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, 2085180 + ... + 2085191.

It is an arithmetic number, because the mean of its divisors is an integer number (6255558).

Almost surely, 2^25022226 is an apocalyptic number.

25022226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25022226 is a wasteful number, since it uses less digits than its factorization.

25022226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170376.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25022226 is about 5002.2221062244. Note that the first 3 decimals coincide. The cubic root of 25022226 is about 292.4884004458.

Adding to 25022226 its reverse (62222052), we get a palindrome (87244278).

The spelling of 25022226 in words is "twenty-five million, twenty-two thousand, two hundred twenty-six".