22267439 has 2 divisors, whose sum is σ = 22267440. Its totient is φ = 22267438.

The previous prime is 22267429. The next prime is 22267457. The reversal of 22267439 is 93476222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22267439 - 2¹⁶ = 22201903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22267399 and 22267408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22267429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11133719 + 11133720.

It is an arithmetic number, because the mean of its divisors is an integer number (11133720).

Almost surely, 2^22267439 is an apocalyptic number.

22267439 is a deficient number, since it is larger than the sum of its proper divisors (1).

22267439 is an equidigital number, since it uses as much as digits as its factorization.

22267439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 22267439 is about 4718.8387342650. The cubic root of 22267439 is about 281.3347791168.

The spelling of 22267439 in words is "twenty-two million, two hundred sixty-seven thousand, four hundred thirty-nine".