25772222 has 32 divisors (see below), whose sum is σ = 46700544. Its totient is φ = 10432800.

The previous prime is 25772207. The next prime is 25772267. The reversal of 25772222 is 22227752.

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 15 ways as a sum of consecutive naturals, for example, 17972 + ... + 19352.

It is an arithmetic number, because the mean of its divisors is an integer number (1459392).

Almost surely, 2^25772222 is an apocalyptic number.

25772222 is a deficient number, since it is larger than the sum of its proper divisors (20928322).

25772222 is a wasteful number, since it uses less digits than its factorization.

25772222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464.

The product of its digits is 7840, while the sum is 29.

The square root of 25772222 is about 5076.6349090712. The cubic root of 25772222 is about 295.3819509134.

Adding to 25772222 its reverse (22227752), we get a palindrome (47999974).

The spelling of 25772222 in words is "twenty-five million, seven hundred seventy-two thousand, two hundred twenty-two".