25222346 has 4 divisors (see below), whose sum is σ = 37833522. Its totient is φ = 12611172.

The previous prime is 25222321. The next prime is 25222349. The reversal of 25222346 is 64322252.

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

It can be written as a sum of positive squares in only one way, i.e., 25110121 + 112225 = 5011^2 + 335^2 .

It is a plaindrome in base 15.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (25222349) 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, 6305585 + ... + 6305588.

Almost surely, 2^25222346 is an apocalyptic number.

25222346 is a deficient number, since it is larger than the sum of its proper divisors (12611176).

25222346 is a wasteful number, since it uses less digits than its factorization.

25222346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12611175.

The product of its digits is 5760, while the sum is 26.

The square root of 25222346 is about 5022.1853808875. The cubic root of 25222346 is about 293.2660747424.

Adding to 25222346 its reverse (64322252), we get a palindrome (89544598).

The spelling of 25222346 in words is "twenty-five million, two hundred twenty-two thousand, three hundred forty-six".