22262216 has 16 divisors (see below), whose sum is σ = 43088640. Its totient is φ = 10771920.

The previous prime is 22262209. The next prime is 22262249. The reversal of 22262216 is 61226222.

It is a super-2 number, since 2×22262216² = 991212522461312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22262191 and 22262200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44636 + ... + 45131.

It is an arithmetic number, because the mean of its divisors is an integer number (2693040).

Almost surely, 2^22262216 is an apocalyptic number.

It is an amenable number.

22262216 is a deficient number, since it is larger than the sum of its proper divisors (20826424).

22262216 is a wasteful number, since it uses less digits than its factorization.

22262216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89804 (or 89800 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 22262216 is about 4718.2852817523. The cubic root of 22262216 is about 281.3127809808.

Adding to 22262216 its reverse (61226222), we get a palindrome (83488438).

The spelling of 22262216 in words is "twenty-two million, two hundred sixty-two thousand, two hundred sixteen".