264225407 has 4 divisors (see below), whose sum is σ = 279768096. Its totient is φ = 248682720.

The previous prime is 264225359. The next prime is 264225469. The reversal of 264225407 is 704522462.

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

It is a cyclic number.

It is not a de Polignac number, because 264225407 - 2¹² = 264221311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264225487) 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, 7771319 + ... + 7771352.

It is an arithmetic number, because the mean of its divisors is an integer number (69942024).

Almost surely, 2^264225407 is an apocalyptic number.

264225407 is a deficient number, since it is larger than the sum of its proper divisors (15542689).

264225407 is a wasteful number, since it uses less digits than its factorization.

264225407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15542688.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 264225407 is about 16255.0117502265. The cubic root of 264225407 is about 641.6893899938.

Adding to 264225407 its reverse (704522462), we get a palindrome (968747869).

The spelling of 264225407 in words is "two hundred sixty-four million, two hundred twenty-five thousand, four hundred seven".