22240635 has 16 divisors (see below), whose sum is σ = 36343296. Its totient is φ = 11608928.

The previous prime is 22240601. The next prime is 22240637. The reversal of 22240635 is 53604222.

It is a cyclic number.

It is not a de Polignac number, because 22240635 - 2⁹ = 22240123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22240637) 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, 15069 + ... + 16478.

It is an arithmetic number, because the mean of its divisors is an integer number (2271456).

Almost surely, 2^22240635 is an apocalyptic number.

22240635 is a deficient number, since it is larger than the sum of its proper divisors (14102661).

22240635 is a wasteful number, since it uses less digits than its factorization.

22240635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31602.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22240635 is about 4715.9977735364. The cubic root of 22240635 is about 281.2218500221.

Adding to 22240635 its reverse (53604222), we get a palindrome (75844857).

The spelling of 22240635 in words is "twenty-two million, two hundred forty thousand, six hundred thirty-five".