25222003 has 4 divisors (see below), whose sum is σ = 26035648. Its totient is φ = 24408360.

The previous prime is 25221997. The next prime is 25222013. The reversal of 25222003 is 30022252.

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

It is a cyclic number.

It is not a de Polignac number, because 25222003 - 2⁵ = 25221971 is a prime.

It is a super-2 number, since 2×25222003² = 1272298870664018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25222013) 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 in 3 ways as a sum of consecutive naturals, for example, 406776 + ... + 406837.

It is an arithmetic number, because the mean of its divisors is an integer number (6508912).

Almost surely, 2^25222003 is an apocalyptic number.

25222003 is a deficient number, since it is larger than the sum of its proper divisors (813645).

25222003 is an equidigital number, since it uses as much as digits as its factorization.

25222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813644.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 25222003 is about 5022.1512322908. The cubic root of 25222003 is about 293.2647453562.

Adding to 25222003 its reverse (30022252), we get a palindrome (55244255).

The spelling of 25222003 in words is "twenty-five million, two hundred twenty-two thousand, three".