22054217 has 8 divisors (see below), whose sum is σ = 23060160. Its totient is φ = 21052240.

The previous prime is 22054163. The next prime is 22054223. The reversal of 22054217 is 71245022.

It is a happy number.

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 22054217 - 2¹⁴ = 22037833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22054192 and 22054201.

It is not an unprimeable number, because it can be changed into a prime (22054267) 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, 21134 + ... + 22152.

It is an arithmetic number, because the mean of its divisors is an integer number (2882520).

Almost surely, 2^22054217 is an apocalyptic number.

It is an amenable number.

22054217 is a deficient number, since it is larger than the sum of its proper divisors (1005943).

22054217 is a wasteful number, since it uses less digits than its factorization.

22054217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 22054217 is about 4696.1917550287. The cubic root of 22054217 is about 280.4339232789.

Adding to 22054217 its reverse (71245022), we get a palindrome (93299239).

The spelling of 22054217 in words is "twenty-two million, fifty-four thousand, two hundred seventeen".