25222502 has 8 divisors (see below), whose sum is σ = 37905312. Its totient is φ = 12587400.

The previous prime is 25222471. The next prime is 25222529. The reversal of 25222502 is 20522252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10574 + ... + 12737.

It is an arithmetic number, because the mean of its divisors is an integer number (4738164).

Almost surely, 2^25222502 is an apocalyptic number.

25222502 is a deficient number, since it is larger than the sum of its proper divisors (12682810).

25222502 is a wasteful number, since it uses less digits than its factorization.

25222502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23854.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 25222502 is about 5022.2009119509. The cubic root of 25222502 is about 293.2666793572.

Adding to 25222502 its reverse (20522252), we get a palindrome (45744754).

It can be divided in two parts, 2522250 and 2, that added together give a palindrome (2522252).

The spelling of 25222502 in words is "twenty-five million, two hundred twenty-two thousand, five hundred two".