22022773 has 2 divisors, whose sum is σ = 22022774. Its totient is φ = 22022772.

The previous prime is 22022771. The next prime is 22022789. The reversal of 22022773 is 37722022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17791524 + 4231249 = 4218^2 + 2057^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022773 - 2¹ = 22022771 is a prime.

Together with 22022771, it forms a pair of twin primes.

It is equal to p_1390615 and since 22022773 and 1390615 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22022771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011386 + 11011387.

It is an arithmetic number, because the mean of its divisors is an integer number (11011387).

Almost surely, 2^22022773 is an apocalyptic number.

It is an amenable number.

22022773 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022773 is an equidigital number, since it uses as much as digits as its factorization.

22022773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 22022773 is about 4692.8427418783. The cubic root of 22022773 is about 280.3005828181.

Adding to 22022773 its reverse (37722022), we get a palindrome (59744795).

The spelling of 22022773 in words is "twenty-two million, twenty-two thousand, seven hundred seventy-three".