22220027 has 2 divisors, whose sum is σ = 22220028. Its totient is φ = 22220026.

The previous prime is 22219999. The next prime is 22220041. The reversal of 22220027 is 72002222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220027 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22219987 and 22220014.

It is not a weakly prime, because it can be changed into another prime (22220057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110013 + 11110014.

It is an arithmetic number, because the mean of its divisors is an integer number (11110014).

Almost surely, 2^22220027 is an apocalyptic number.

22220027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220027 is an equidigital number, since it uses as much as digits as its factorization.

22220027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 22220027 is about 4713.8123636819. The cubic root of 22220027 is about 281.1349638517.

Adding to 22220027 its reverse (72002222), we get a palindrome (94222249).

The spelling of 22220027 in words is "twenty-two million, two hundred twenty thousand, twenty-seven".