22738369 has 2 divisors, whose sum is σ = 22738370. Its totient is φ = 22738368.

The previous prime is 22738361. The next prime is 22738439. The reversal of 22738369 is 96383722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21762225 + 976144 = 4665^2 + 988^2 .

It is a cyclic number.

It is not a de Polignac number, because 22738369 - 2³ = 22738361 is a prime.

It is a super-2 number, since 2×22738369² = 1034066849560322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22738361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11369184 + 11369185.

It is an arithmetic number, because the mean of its divisors is an integer number (11369185).

Almost surely, 2^22738369 is an apocalyptic number.

It is an amenable number.

22738369 is a deficient number, since it is larger than the sum of its proper divisors (1).

22738369 is an equidigital number, since it uses as much as digits as its factorization.

22738369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 22738369 is about 4768.4765911138. The cubic root of 22738369 is about 283.3042589159.

The spelling of 22738369 in words is "twenty-two million, seven hundred thirty-eight thousand, three hundred sixty-nine".