22838449 has 2 divisors, whose sum is σ = 22838450. Its totient is φ = 22838448.

The previous prime is 22838411. The next prime is 22838477. The reversal of 22838449 is 94483822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12960000 + 9878449 = 3600^2 + 3143^2 .

It is a cyclic number.

It is not a de Polignac number, because 22838449 - 2¹³ = 22830257 is a prime.

It is not a weakly prime, because it can be changed into another prime (22838479) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11419224 + 11419225.

It is an arithmetic number, because the mean of its divisors is an integer number (11419225).

Almost surely, 2^22838449 is an apocalyptic number.

It is an amenable number.

22838449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22838449 is an equidigital number, since it uses as much as digits as its factorization.

22838449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 22838449 is about 4778.9589870598. The cubic root of 22838449 is about 283.7192929956.

The spelling of 22838449 in words is "twenty-two million, eight hundred thirty-eight thousand, four hundred forty-nine".