22116437 has 8 divisors (see below), whose sum is σ = 26606400. Its totient is φ = 17959104.

The previous prime is 22116431. The next prime is 22116443. The reversal of 22116437 is 73461122.

It is an interprime number because it is at equal distance from previous prime (22116431) and next prime (22116443).

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

It is not a de Polignac number, because 22116437 - 2⁸ = 22116181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22116431) 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, 83012 + ... + 83277.

It is an arithmetic number, because the mean of its divisors is an integer number (3325800).

Almost surely, 2^22116437 is an apocalyptic number.

It is an amenable number.

22116437 is a deficient number, since it is larger than the sum of its proper divisors (4489963).

22116437 is a wasteful number, since it uses less digits than its factorization.

22116437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166315.

The product of its digits is 2016, while the sum is 26.

The square root of 22116437 is about 4702.8116058375. The cubic root of 22116437 is about 280.6973984462.

Adding to 22116437 its reverse (73461122), we get a palindrome (95577559).

The spelling of 22116437 in words is "twenty-two million, one hundred sixteen thousand, four hundred thirty-seven".