220000379 has 2 divisors, whose sum is σ = 220000380. Its totient is φ = 220000378.

The previous prime is 220000369. The next prime is 220000423. The reversal of 220000379 is 973000022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220000379 is a prime.

It is not a weakly prime, because it can be changed into another prime (220000369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000189 + 110000190.

It is an arithmetic number, because the mean of its divisors is an integer number (110000190).

Almost surely, 2^220000379 is an apocalyptic number.

220000379 is a deficient number, since it is larger than the sum of its proper divisors (1).

220000379 is an equidigital number, since it uses as much as digits as its factorization.

220000379 is an evil number, because the sum of its binary digits is even.

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

The square root of 220000379 is about 14832.4097502732. The cubic root of 220000379 is about 603.6814203389.

The spelling of 220000379 in words is "two hundred twenty million, three hundred seventy-nine", and thus it is an aban number.