22838993 has 2 divisors, whose sum is σ = 22838994. Its totient is φ = 22838992.

The previous prime is 22838989. The next prime is 22839049. The reversal of 22838993 is 39983822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12159169 + 10679824 = 3487^2 + 3268^2 .

It is a cyclic number.

It is not a de Polignac number, because 22838993 - 2² = 22838989 is a prime.

It is not a weakly prime, because it can be changed into another prime (22838903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11419496 + 11419497.

It is an arithmetic number, because the mean of its divisors is an integer number (11419497).

Almost surely, 2^22838993 is an apocalyptic number.

It is an amenable number.

22838993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22838993 is an equidigital number, since it uses as much as digits as its factorization.

22838993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The square root of 22838993 is about 4779.0159028821. The cubic root of 22838993 is about 283.7215456598.

The spelling of 22838993 in words is "twenty-two million, eight hundred thirty-eight thousand, nine hundred ninety-three".