22223393 has 2 divisors, whose sum is σ = 22223394. Its totient is φ = 22223392.

The previous prime is 22223381. The next prime is 22223413. The reversal of 22223393 is 39332222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22202944 + 20449 = 4712^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 22223393 - 2⁶ = 22223329 is a prime.

It is not a weakly prime, because it can be changed into another prime (22223323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111696 + 11111697.

It is an arithmetic number, because the mean of its divisors is an integer number (11111697).

Almost surely, 2^22223393 is an apocalyptic number.

It is an amenable number.

22223393 is a deficient number, since it is larger than the sum of its proper divisors (1).

22223393 is an equidigital number, since it uses as much as digits as its factorization.

22223393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 26.

The square root of 22223393 is about 4714.1693860106. The cubic root of 22223393 is about 281.1491590417.

The spelling of 22223393 in words is "twenty-two million, two hundred twenty-three thousand, three hundred ninety-three".