2214780379 has 4 divisors (see below), whose sum is σ = 2531177584. Its totient is φ = 1898383176.

The previous prime is 2214780313. The next prime is 2214780401. The reversal of 2214780379 is 9730874122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2214780379 - 2⁹ = 2214779867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2214780479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158198592 + ... + 158198605.

It is an arithmetic number, because the mean of its divisors is an integer number (632794396).

Almost surely, 2^2214780379 is an apocalyptic number.

2214780379 is a deficient number, since it is larger than the sum of its proper divisors (316397205).

2214780379 is an equidigital number, since it uses as much as digits as its factorization.

2214780379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316397204.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 2214780379 is about 47061.4532181062. The cubic root of 2214780379 is about 1303.4975597260.

The spelling of 2214780379 in words is "two billion, two hundred fourteen million, seven hundred eighty thousand, three hundred seventy-nine".