22270267 has 2 divisors, whose sum is σ = 22270268. Its totient is φ = 22270266.

The previous prime is 22270249. The next prime is 22270271. The reversal of 22270267 is 76207222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22270267 - 2⁷ = 22270139 is a prime.

It is not a weakly prime, because it can be changed into another prime (22270207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11135133 + 11135134.

It is an arithmetic number, because the mean of its divisors is an integer number (11135134).

Almost surely, 2^22270267 is an apocalyptic number.

22270267 is a deficient number, since it is larger than the sum of its proper divisors (1).

22270267 is an equidigital number, since it uses as much as digits as its factorization.

22270267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 22270267 is about 4719.1383747460. The cubic root of 22270267 is about 281.3466886000.

Adding to 22270267 its reverse (76207222), we get a palindrome (98477489).

The spelling of 22270267 in words is "twenty-two million, two hundred seventy thousand, two hundred sixty-seven".