22006214 has 4 divisors (see below), whose sum is σ = 33009324. Its totient is φ = 11003106.

The previous prime is 22006207. The next prime is 22006223. The reversal of 22006214 is 41260022.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22006214² = 968546909227592, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22006192 and 22006201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501552 + ... + 5501555.

It is an arithmetic number, because the mean of its divisors is an integer number (8252331).

Almost surely, 2^22006214 is an apocalyptic number.

22006214 is a deficient number, since it is larger than the sum of its proper divisors (11003110).

22006214 is a wasteful number, since it uses less digits than its factorization.

22006214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11003109.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 22006214 is about 4691.0781276802. The cubic root of 22006214 is about 280.2303122069.

Adding to 22006214 its reverse (41260022), we get a palindrome (63266236).

The spelling of 22006214 in words is "twenty-two million, six thousand, two hundred fourteen".