22224893 has 2 divisors, whose sum is σ = 22224894. Its totient is φ = 22224892.

The previous prime is 22224883. The next prime is 22224941. The reversal of 22224893 is 39842222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15578809 + 6646084 = 3947^2 + 2578^2 .

It is a cyclic number.

It is not a de Polignac number, because 22224893 - 2²² = 18030589 is a prime.

It is a super-2 number, since 2×22224893² = 987891737722898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22224823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112446 + 11112447.

It is an arithmetic number, because the mean of its divisors is an integer number (11112447).

Almost surely, 2^22224893 is an apocalyptic number.

It is an amenable number.

22224893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224893 is an equidigital number, since it uses as much as digits as its factorization.

22224893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 22224893 is about 4714.3284781610. The cubic root of 22224893 is about 281.1554844222.

The spelling of 22224893 in words is "twenty-two million, two hundred twenty-four thousand, eight hundred ninety-three".