22233389 has 2 divisors, whose sum is σ = 22233390. Its totient is φ = 22233388.

The previous prime is 22233359. The next prime is 22233427. The reversal of 22233389 is 98333222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21114025 + 1119364 = 4595^2 + 1058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22233389 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22233359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116694 + 11116695.

It is an arithmetic number, because the mean of its divisors is an integer number (11116695).

Almost surely, 2^22233389 is an apocalyptic number.

It is an amenable number.

22233389 is a deficient number, since it is larger than the sum of its proper divisors (1).

22233389 is an equidigital number, since it uses as much as digits as its factorization.

22233389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 22233389 is about 4715.2294747976. The cubic root of 22233389 is about 281.1913060072.

It can be divided in two parts, 22233 and 389, that added together give a palindrome (22622).

The spelling of 22233389 in words is "twenty-two million, two hundred thirty-three thousand, three hundred eighty-nine".