22207365 has 20 divisors (see below), whose sum is σ = 39809484. Its totient is φ = 11843712.

The previous prime is 22207357. The next prime is 22207373. The reversal of 22207365 is 56370222.

It is an interprime number because it is at equal distance from previous prime (22207357) and next prime (22207373).

It can be written as a sum of positive squares in 2 ways, for example, as 9696996 + 12510369 = 3114^2 + 3537^2 .

It is not a de Polignac number, because 22207365 - 2³ = 22207357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27012 + ... + 27821.

Almost surely, 2^22207365 is an apocalyptic number.

It is an amenable number.

22207365 is a deficient number, since it is larger than the sum of its proper divisors (17602119).

22207365 is an equidigital number, since it uses as much as digits as its factorization.

22207365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54850 (or 54841 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 22207365 is about 4712.4690980419. The cubic root of 22207365 is about 281.0815524661.

Adding to 22207365 its reverse (56370222), we get a palindrome (78577587).

The spelling of 22207365 in words is "twenty-two million, two hundred seven thousand, three hundred sixty-five".