23427225 has 60 divisors (see below), whose sum is σ = 45372096. Its totient is φ = 11927520.

The previous prime is 23427221. The next prime is 23427259. The reversal of 23427225 is 52272432.

It is not a de Polignac number, because 23427225 - 2² = 23427221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23427221) 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 59 ways as a sum of consecutive naturals, for example, 46324 + ... + 46826.

Almost surely, 2^23427225 is an apocalyptic number.

23427225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23427225 is a deficient number, since it is larger than the sum of its proper divisors (21944871).

23427225 is a wasteful number, since it uses less digits than its factorization.

23427225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 534 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 23427225 is about 4840.1678689897. The cubic root of 23427225 is about 286.1367342985.

Adding to 23427225 its reverse (52272432), we get a palindrome (75699657).

The spelling of 23427225 in words is "twenty-three million, four hundred twenty-seven thousand, two hundred twenty-five".