2122212019 has 4 divisors (see below), whose sum is σ = 2131018120. Its totient is φ = 2113405920.

The previous prime is 2122212013. The next prime is 2122212041. The reversal of 2122212019 is 9102122212.

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 2122212019 - 2¹³ = 2122203827 is a prime.

It is a super-2 number, since 2×2122212019² = 9007567707176112722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122212013) 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, 4402689 + ... + 4403170.

It is an arithmetic number, because the mean of its divisors is an integer number (532754530).

Almost surely, 2^2122212019 is an apocalyptic number.

2122212019 is a deficient number, since it is larger than the sum of its proper divisors (8806101).

2122212019 is an equidigital number, since it uses as much as digits as its factorization.

2122212019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8806100.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2122212019 is about 46067.4724615970. The cubic root of 2122212019 is about 1285.0782995181.

The spelling of 2122212019 in words is "two billion, one hundred twenty-two million, two hundred twelve thousand, nineteen".