20122202219 has 4 divisors (see below), whose sum is σ = 22996802544. Its totient is φ = 17247601896.

The previous prime is 20122202209. The next prime is 20122202227. The reversal of 20122202219 is 91220222102.

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

It is a de Polignac number, because none of the positive numbers 2^k-20122202219 is a prime.

It is a super-2 number, since 2×20122202219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20122202194 and 20122202203.

It is not an unprimeable number, because it can be changed into a prime (20122202209) 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 in 3 ways as a sum of consecutive naturals, for example, 1437300152 + ... + 1437300165.

It is an arithmetic number, because the mean of its divisors is an integer number (5749200636).

Almost surely, 2^20122202219 is an apocalyptic number.

20122202219 is a deficient number, since it is larger than the sum of its proper divisors (2874600325).

20122202219 is an equidigital number, since it uses as much as digits as its factorization.

20122202219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874600324.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 20122202219 in words is "twenty billion, one hundred twenty-two million, two hundred two thousand, two hundred nineteen".