22240535 has 16 divisors (see below), whose sum is σ = 27807840. Its totient is φ = 17055360.

The previous prime is 22240501. The next prime is 22240553. The reversal of 22240535 is 53504222.

It is not a de Polignac number, because 22240535 - 2¹² = 22236439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22240535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23165 + ... + 24105.

It is an arithmetic number, because the mean of its divisors is an integer number (1737990).

Almost surely, 2^22240535 is an apocalyptic number.

22240535 is a deficient number, since it is larger than the sum of its proper divisors (5567305).

22240535 is a wasteful number, since it uses less digits than its factorization.

22240535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 22240535 is about 4715.9871713142. The cubic root of 22240535 is about 281.2214285379.

Adding to 22240535 its reverse (53504222), we get a palindrome (75744757).

The spelling of 22240535 in words is "twenty-two million, two hundred forty thousand, five hundred thirty-five".