25052223 has 16 divisors (see below), whose sum is σ = 38264576. Its totient is φ = 14281920.

The previous prime is 25052197. The next prime is 25052227. The reversal of 25052223 is 32225052.

It is not a de Polignac number, because 25052223 - 2¹⁰ = 25051199 is a prime.

It is a super-2 number, since 2×25052223² = 1255227754483458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 25052223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25052227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9843 + ... + 12123.

It is an arithmetic number, because the mean of its divisors is an integer number (2391536).

Almost surely, 2^25052223 is an apocalyptic number.

25052223 is a deficient number, since it is larger than the sum of its proper divisors (13212353).

25052223 is a wasteful number, since it uses less digits than its factorization.

25052223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25052223 is about 5005.2195756031. The cubic root of 25052223 is about 292.6052335211.

Adding to 25052223 its reverse (32225052), we get a palindrome (57277275).

The spelling of 25052223 in words is "twenty-five million, fifty-two thousand, two hundred twenty-three".