22419847 has 2 divisors, whose sum is σ = 22419848. Its totient is φ = 22419846.

The previous prime is 22419841. The next prime is 22419853. The reversal of 22419847 is 74891422.

It is a balanced prime because it is at equal distance from previous prime (22419841) and next prime (22419853).

It is a cyclic number.

It is not a de Polignac number, because 22419847 - 2¹¹ = 22417799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22419841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11209923 + 11209924.

It is an arithmetic number, because the mean of its divisors is an integer number (11209924).

Almost surely, 2^22419847 is an apocalyptic number.

22419847 is a deficient number, since it is larger than the sum of its proper divisors (1).

22419847 is an equidigital number, since it uses as much as digits as its factorization.

22419847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 22419847 is about 4734.9600843091. The cubic root of 22419847 is about 281.9751793120.

The spelling of 22419847 in words is "twenty-two million, four hundred nineteen thousand, eight hundred forty-seven".