12022919 has 2 divisors, whose sum is σ = 12022920. Its totient is φ = 12022918.

The previous prime is 12022889. The next prime is 12022937. The reversal of 12022919 is 91922021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (91922021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12022919 - 2⁸ = 12022663 is a prime.

It is a super-2 number, since 2×12022919² = 289101162561122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011459 + 6011460.

It is an arithmetic number, because the mean of its divisors is an integer number (6011460).

Almost surely, 2^12022919 is an apocalyptic number.

12022919 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022919 is an equidigital number, since it uses as much as digits as its factorization.

12022919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 12022919 is about 3467.4081098134. The cubic root of 12022919 is about 229.0885097371.

The spelling of 12022919 in words is "twelve million, twenty-two thousand, nine hundred nineteen".