2142220319 has 2 divisors, whose sum is σ = 2142220320. Its totient is φ = 2142220318.

The previous prime is 2142220309. The next prime is 2142220349. The reversal of 2142220319 is 9130222412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142220319 is a prime.

It is a super-2 number, since 2×2142220319² = 9178215790272923522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142220309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071110159 + 1071110160.

It is an arithmetic number, because the mean of its divisors is an integer number (1071110160).

Almost surely, 2^2142220319 is an apocalyptic number.

2142220319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142220319 is an equidigital number, since it uses as much as digits as its factorization.

2142220319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2142220319 is about 46284.1259936925. The cubic root of 2142220319 is about 1289.1042634954.

The spelling of 2142220319 in words is "two billion, one hundred forty-two million, two hundred twenty thousand, three hundred nineteen".