22000379 has 2 divisors, whose sum is σ = 22000380. Its totient is φ = 22000378.

The previous prime is 22000373. The next prime is 22000387. The reversal of 22000379 is 97300022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22000379 is a prime.

It is a super-2 number, since 2×22000379² = 968033352287282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22000373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000189 + 11000190.

It is an arithmetic number, because the mean of its divisors is an integer number (11000190).

Almost surely, 2^22000379 is an apocalyptic number.

22000379 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000379 is an equidigital number, since it uses as much as digits as its factorization.

22000379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 22000379 is about 4690.4561611852. The cubic root of 22000379 is about 280.2055421062.

The spelling of 22000379 in words is "twenty-two million, three hundred seventy-nine", and thus it is an aban number.