25223007 has 8 divisors (see below), whose sum is σ = 33977776. Its totient is φ = 16641792.

The previous prime is 25222999. The next prime is 25223017. The reversal of 25223007 is 70032252.

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

It is not a de Polignac number, because 25223007 - 2³ = 25222999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25223017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43048 + ... + 43629.

It is an arithmetic number, because the mean of its divisors is an integer number (4247222).

Almost surely, 2^25223007 is an apocalyptic number.

25223007 is a deficient number, since it is larger than the sum of its proper divisors (8754769).

25223007 is an equidigital number, since it uses as much as digits as its factorization.

25223007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86777.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 25223007 is about 5022.2511884612. The cubic root of 25223007 is about 293.2686365869.

Adding to 25223007 its reverse (70032252), we get a palindrome (95255259).

The spelling of 25223007 in words is "twenty-five million, two hundred twenty-three thousand, seven".