22425784919 has 2 divisors, whose sum is σ = 22425784920. Its totient is φ = 22425784918.

The previous prime is 22425784907. The next prime is 22425784963. The reversal of 22425784919 is 91948752422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22425784919 - 2²⁴ = 22409007703 is a prime.

It is a super-2 number, since 2×22425784919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22425784819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11212892459 + 11212892460.

It is an arithmetic number, because the mean of its divisors is an integer number (11212892460).

Almost surely, 2^22425784919 is an apocalyptic number.

22425784919 is a deficient number, since it is larger than the sum of its proper divisors (1).

22425784919 is an equidigital number, since it uses as much as digits as its factorization.

22425784919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 53.

The spelling of 22425784919 in words is "twenty-two billion, four hundred twenty-five million, seven hundred eighty-four thousand, nine hundred nineteen".