23716225 has 12 divisors (see below), whose sum is σ = 31670716. Its totient is φ = 17513280.

The previous prime is 23716219. The next prime is 23716261. The reversal of 23716225 is 52261732.

It can be written as a sum of positive squares in 6 ways, for example, as 3538161 + 20178064 = 1881^2 + 4492^2 .

It is not a de Polignac number, because 23716225 - 2¹⁷ = 23585153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23716193 and 23716202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36162 + ... + 36811.

Almost surely, 2^23716225 is an apocalyptic number.

23716225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23716225 is a deficient number, since it is larger than the sum of its proper divisors (7954491).

23716225 is a wasteful number, since it uses less digits than its factorization.

23716225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72996 (or 72991 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 23716225 is about 4869.9306976588. The cubic root of 23716225 is about 287.3085303581.

Adding to 23716225 its reverse (52261732), we get a palindrome (75977957).

It can be divided in two parts, 23716 and 225, that multiplied together give a square (5336100 = 2310²).

The spelling of 23716225 in words is "twenty-three million, seven hundred sixteen thousand, two hundred twenty-five".