22244265 has 12 divisors (see below), whose sum is σ = 38556804. Its totient is φ = 11863584.

The previous prime is 22244251. The next prime is 22244293. The reversal of 22244265 is 56244222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16353936 + 5890329 = 4044^2 + 2427^2 .

It is not a de Polignac number, because 22244265 - 2⁸ = 22244009 is a prime.

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, 247114 + ... + 247203.

It is an arithmetic number, because the mean of its divisors is an integer number (3213067).

Almost surely, 2^22244265 is an apocalyptic number.

It is an amenable number.

22244265 is a deficient number, since it is larger than the sum of its proper divisors (16312539).

22244265 is a wasteful number, since it uses less digits than its factorization.

22244265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494328 (or 494325 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 22244265 is about 4716.3826180665. The cubic root of 22244265 is about 281.2371490424.

Adding to 22244265 its reverse (56244222), we get a palindrome (78488487).

The spelling of 22244265 in words is "twenty-two million, two hundred forty-four thousand, two hundred sixty-five".