25222102 has 4 divisors (see below), whose sum is σ = 37833156. Its totient is φ = 12611050.

The previous prime is 25222081. The next prime is 25222103. The reversal of 25222102 is 20122252.

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

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25222103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305524 + ... + 6305527.

It is an arithmetic number, because the mean of its divisors is an integer number (9458289).

Almost surely, 2^25222102 is an apocalyptic number.

25222102 is a deficient number, since it is larger than the sum of its proper divisors (12611054).

25222102 is a wasteful number, since it uses less digits than its factorization.

25222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12611053.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 25222102 is about 5022.1610886151. The cubic root of 25222102 is about 293.2651290578.

Adding to 25222102 its reverse (20122252), we get a palindrome (45344354).

It can be divided in two parts, 2522 and 2102, that added together give a square (4624 = 68²).

The spelling of 25222102 in words is "twenty-five million, two hundred twenty-two thousand, one hundred two".