22336665 has 16 divisors (see below), whose sum is σ = 38488128. Its totient is φ = 10996416.

The previous prime is 22336663. The next prime is 22336681. The reversal of 22336665 is 56663322.

It is not a de Polignac number, because 22336665 - 2¹ = 22336663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22336663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57079 + ... + 57468.

It is an arithmetic number, because the mean of its divisors is an integer number (2405508).

Almost surely, 2^22336665 is an apocalyptic number.

It is an amenable number.

22336665 is a deficient number, since it is larger than the sum of its proper divisors (16151463).

22336665 is a wasteful number, since it uses less digits than its factorization.

22336665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114568.

The product of its digits is 38880, while the sum is 33.

The square root of 22336665 is about 4726.1681095788. The cubic root of 22336665 is about 281.6260195227.

Adding to 22336665 its reverse (56663322), we get a palindrome (78999987).

The spelling of 22336665 in words is "twenty-two million, three hundred thirty-six thousand, six hundred sixty-five".