22000361 has 2 divisors, whose sum is σ = 22000362. Its totient is φ = 22000360.

The previous prime is 22000343. The next prime is 22000373. The reversal of 22000361 is 16300022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20757136 + 1243225 = 4556^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000361 - 2¹⁴ = 21983977 is a prime.

It is not a weakly prime, because it can be changed into another prime (22000061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000180 + 11000181.

It is an arithmetic number, because the mean of its divisors is an integer number (11000181).

Almost surely, 2^22000361 is an apocalyptic number.

It is an amenable number.

22000361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000361 is an equidigital number, since it uses as much as digits as its factorization.

22000361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22000361 is about 4690.4542423949. The cubic root of 22000361 is about 280.2054656878.

Adding to 22000361 its reverse (16300022), we get a palindrome (38300383).

The spelling of 22000361 in words is "twenty-two million, three hundred sixty-one", and thus it is an aban number.