22216214 has 8 divisors (see below), whose sum is σ = 33889320. Its totient is φ = 10919776.

The previous prime is 22216211. The next prime is 22216217. The reversal of 22216214 is 41261222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22216211) and next prime (22216217).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22216211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94019 + ... + 94254.

It is an arithmetic number, because the mean of its divisors is an integer number (4236165).

Almost surely, 2^22216214 is an apocalyptic number.

22216214 is a deficient number, since it is larger than the sum of its proper divisors (11673106).

22216214 is a wasteful number, since it uses less digits than its factorization.

22216214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188334.

The product of its digits is 384, while the sum is 20.

The square root of 22216214 is about 4713.4078966285. The cubic root of 22216214 is about 281.1188818290.

Adding to 22216214 its reverse (41261222), we get a palindrome (63477436).

The spelling of 22216214 in words is "twenty-two million, two hundred sixteen thousand, two hundred fourteen".