22842361 has 2 divisors, whose sum is σ = 22842362. Its totient is φ = 22842360.

The previous prime is 22842359. The next prime is 22842383. The reversal of 22842361 is 16324822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14175225 + 8667136 = 3765^2 + 2944^2 .

It is a cyclic number.

It is not a de Polignac number, because 22842361 - 2¹ = 22842359 is a prime.

Together with 22842359, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22842301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11421180 + 11421181.

It is an arithmetic number, because the mean of its divisors is an integer number (11421181).

Almost surely, 2^22842361 is an apocalyptic number.

It is an amenable number.

22842361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22842361 is an equidigital number, since it uses as much as digits as its factorization.

22842361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 22842361 is about 4779.3682636934. The cubic root of 22842361 is about 283.7354915053.

It can be divided in two parts, 228423 and 61, that added together give a square (228484 = 478²).

The spelling of 22842361 in words is "twenty-two million, eight hundred forty-two thousand, three hundred sixty-one".