264244225 has 12 divisors (see below), whose sum is σ = 374472064. Its totient is φ = 181195920.

The previous prime is 264244219. The next prime is 264244237. The reversal of 264244225 is 522442462.

It is a de Polignac number, because none of the positive numbers 2^k-264244225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 754809 + ... + 755158.

Almost surely, 2^264244225 is an apocalyptic number.

264244225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264244225 is a deficient number, since it is larger than the sum of its proper divisors (110227839).

264244225 is a wasteful number, since it uses less digits than its factorization.

264244225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509984 (or 1509979 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 264244225 is about 16255.5905767831. The cubic root of 264244225 is about 641.7046232302.

Adding to 264244225 its reverse (522442462), we get a palindrome (786686687).

The spelling of 264244225 in words is "two hundred sixty-four million, two hundred forty-four thousand, two hundred twenty-five".