22216783 has 8 divisors (see below), whose sum is σ = 22565088. Its totient is φ = 21871104.

The previous prime is 22216769. The next prime is 22216829. The reversal of 22216783 is 38761222.

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

It is a cyclic number.

It is not a de Polignac number, because 22216783 - 2⁵ = 22216751 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 (22216283) 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, 22110 + ... + 23092.

It is an arithmetic number, because the mean of its divisors is an integer number (2820636).

Almost surely, 2^22216783 is an apocalyptic number.

22216783 is a deficient number, since it is larger than the sum of its proper divisors (348305).

22216783 is an equidigital number, since it uses as much as digits as its factorization.

22216783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its digits is 8064, while the sum is 31.

The square root of 22216783 is about 4713.4682559661. The cubic root of 22216783 is about 281.1212818070.

The spelling of 22216783 in words is "twenty-two million, two hundred sixteen thousand, seven hundred eighty-three".