22116535 has 8 divisors (see below), whose sum is σ = 30331296. Its totient is φ = 15165600.

The previous prime is 22116533. The next prime is 22116539. The reversal of 22116535 is 53561122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22116535 - 2¹ = 22116533 is a prime.

It is a super-2 number, since 2×22116535² = 978282240812450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22116533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315916 + ... + 315985.

It is an arithmetic number, because the mean of its divisors is an integer number (3791412).

Almost surely, 2^22116535 is an apocalyptic number.

22116535 is a deficient number, since it is larger than the sum of its proper divisors (8214761).

22116535 is an equidigital number, since it uses as much as digits as its factorization.

22116535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631913.

The product of its digits is 1800, while the sum is 25.

The square root of 22116535 is about 4702.8220251249. The cubic root of 22116535 is about 280.6978130444.

Adding to 22116535 its reverse (53561122), we get a palindrome (75677657).

The spelling of 22116535 in words is "twenty-two million, one hundred sixteen thousand, five hundred thirty-five".