25262222 has 4 divisors (see below), whose sum is σ = 37893336. Its totient is φ = 12631110.

The previous prime is 25262213. The next prime is 25262227. The reversal of 25262222 is 22226252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25262227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315554 + ... + 6315557.

It is an arithmetic number, because the mean of its divisors is an integer number (9473334).

Almost surely, 2^25262222 is an apocalyptic number.

25262222 is a deficient number, since it is larger than the sum of its proper divisors (12631114).

25262222 is a wasteful number, since it uses less digits than its factorization.

25262222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12631113.

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

The square root of 25262222 is about 5026.1537978856. The cubic root of 25262222 is about 293.4205425386.

Adding to 25262222 its reverse (22226252), we get a palindrome (47488474).

The spelling of 25262222 in words is "twenty-five million, two hundred sixty-two thousand, two hundred twenty-two".