22282243 has 2 divisors, whose sum is σ = 22282244. Its totient is φ = 22282242.

The previous prime is 22282199. The next prime is 22282259. The reversal of 22282243 is 34228222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22282243 is a prime.

It is a super-2 number, since 2×22282243² = 992996706222098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22282283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11141121 + 11141122.

It is an arithmetic number, because the mean of its divisors is an integer number (11141122).

Almost surely, 2^22282243 is an apocalyptic number.

22282243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22282243 is an equidigital number, since it uses as much as digits as its factorization.

22282243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

The square root of 22282243 is about 4720.4070799032. The cubic root of 22282243 is about 281.3971116469.

The spelling of 22282243 in words is "twenty-two million, two hundred eighty-two thousand, two hundred forty-three".