25222022 has 16 divisors (see below), whose sum is σ = 43660032. Its totient is φ = 10703880.

The previous prime is 25222019. The next prime is 25222031. The reversal of 25222022 is 22022252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7304 + ... + 10187.

It is an arithmetic number, because the mean of its divisors is an integer number (2728752).

Almost surely, 2^25222022 is an apocalyptic number.

25222022 is a deficient number, since it is larger than the sum of its proper divisors (18438010).

25222022 is a wasteful number, since it uses less digits than its factorization.

25222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17603.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 25222022 is about 5022.1531239101. The cubic root of 25222022 is about 293.2648189959.

Adding to 25222022 its reverse (22022252), we get a palindrome (47244274).

The spelling of 25222022 in words is "twenty-five million, two hundred twenty-two thousand, twenty-two".