25012223 has 8 divisors (see below), whose sum is σ = 25318656. Its totient is φ = 24707800.

The previous prime is 25012217. The next prime is 25012231. The reversal of 25012223 is 32221052.

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

It is a cyclic number.

It is not a de Polignac number, because 25012223 - 2¹² = 25008127 is a prime.

It is a super-2 number, since 2×25012223² = 1251222598803458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25012723) 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, 56240 + ... + 56682.

It is an arithmetic number, because the mean of its divisors is an integer number (3164832).

Almost surely, 2^25012223 is an apocalyptic number.

25012223 is a deficient number, since it is larger than the sum of its proper divisors (306433).

25012223 is a wasteful number, since it uses less digits than its factorization.

25012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25012223 is about 5001.2221506348. Note that the first 3 decimals coincide. The cubic root of 25012223 is about 292.4494197489.

Adding to 25012223 its reverse (32221052), we get a palindrome (57233275).

The spelling of 25012223 in words is "twenty-five million, twelve thousand, two hundred twenty-three".