23225705 has 4 divisors (see below), whose sum is σ = 27870852. Its totient is φ = 18580560.

The previous prime is 23225701. The next prime is 23225711. The reversal of 23225705 is 50752232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15452761 + 7772944 = 3931^2 + 2788^2 .

It is not a de Polignac number, because 23225705 - 2² = 23225701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23225701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2322566 + ... + 2322575.

It is an arithmetic number, because the mean of its divisors is an integer number (6967713).

Almost surely, 2^23225705 is an apocalyptic number.

It is an amenable number.

23225705 is a deficient number, since it is larger than the sum of its proper divisors (4645147).

23225705 is an equidigital number, since it uses as much as digits as its factorization.

23225705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645146.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 23225705 is about 4819.3054478835. The cubic root of 23225705 is about 285.3139251448.

Adding to 23225705 its reverse (50752232), we get a palindrome (73977937).

The spelling of 23225705 in words is "twenty-three million, two hundred twenty-five thousand, seven hundred five".