22169243 has 2 divisors, whose sum is σ = 22169244. Its totient is φ = 22169242.

The previous prime is 22169239. The next prime is 22169267. The reversal of 22169243 is 34296122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22169243 - 2² = 22169239 is a prime.

It is not a weakly prime, because it can be changed into another prime (22169843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11084621 + 11084622.

It is an arithmetic number, because the mean of its divisors is an integer number (11084622).

Almost surely, 2^22169243 is an apocalyptic number.

22169243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22169243 is an equidigital number, since it uses as much as digits as its factorization.

22169243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 22169243 is about 4708.4225596265. The cubic root of 22169243 is about 280.9206219478.

The spelling of 22169243 in words is "twenty-two million, one hundred sixty-nine thousand, two hundred forty-three".