22818241 has 2 divisors, whose sum is σ = 22818242. Its totient is φ = 22818240.

The previous prime is 22818227. The next prime is 22818253. The reversal of 22818241 is 14281822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21818241 + 1000000 = 4671^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 22818241 - 2⁷ = 22818113 is a prime.

It is not a weakly prime, because it can be changed into another prime (22818541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11409120 + 11409121.

It is an arithmetic number, because the mean of its divisors is an integer number (11409121).

Almost surely, 2^22818241 is an apocalyptic number.

It is an amenable number.

22818241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22818241 is an equidigital number, since it uses as much as digits as its factorization.

22818241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 28.

The square root of 22818241 is about 4776.8442511767. The cubic root of 22818241 is about 283.6355877884.

The spelling of 22818241 in words is "twenty-two million, eight hundred eighteen thousand, two hundred forty-one".