22434149 has 2 divisors, whose sum is σ = 22434150. Its totient is φ = 22434148.

The previous prime is 22434133. The next prime is 22434151. The reversal of 22434149 is 94143422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22420225 + 13924 = 4735^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 22434149 - 2⁴ = 22434133 is a prime.

Together with 22434151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22434109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11217074 + 11217075.

It is an arithmetic number, because the mean of its divisors is an integer number (11217075).

Almost surely, 2^22434149 is an apocalyptic number.

It is an amenable number.

22434149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22434149 is an equidigital number, since it uses as much as digits as its factorization.

22434149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 22434149 is about 4736.4700991350. The cubic root of 22434149 is about 282.0351254806.

The spelling of 22434149 in words is "twenty-two million, four hundred thirty-four thousand, one hundred forty-nine".