23225545 has 8 divisors (see below), whose sum is σ = 31852224. Its totient is φ = 15926064.

The previous prime is 23225533. The next prime is 23225551. The reversal of 23225545 is 54552232.

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

It is not a de Polignac number, because 23225545 - 2¹³ = 23217353 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 331759 + ... + 331828.

It is an arithmetic number, because the mean of its divisors is an integer number (3981528).

Almost surely, 2^23225545 is an apocalyptic number.

It is an amenable number.

23225545 is a deficient number, since it is larger than the sum of its proper divisors (8626679).

23225545 is an equidigital number, since it uses as much as digits as its factorization.

23225545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663599.

The product of its digits is 12000, while the sum is 28.

The square root of 23225545 is about 4819.2888479526. The cubic root of 23225545 is about 285.3132699752.

Adding to 23225545 its reverse (54552232), we get a palindrome (77777777).

The spelling of 23225545 in words is "twenty-three million, two hundred twenty-five thousand, five hundred forty-five".