22001122019 has 2 divisors, whose sum is σ = 22001122020. Its totient is φ = 22001122018.

The previous prime is 22001121959. The next prime is 22001122051. The reversal of 22001122019 is 91022110022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22001122019 is a prime.

It is a super-2 number, since 2×22001122019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22001122069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000561009 + 11000561010.

It is an arithmetic number, because the mean of its divisors is an integer number (11000561010).

Almost surely, 2^22001122019 is an apocalyptic number.

22001122019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001122019 is an equidigital number, since it uses as much as digits as its factorization.

22001122019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 22001122019 in words is "twenty-two billion, one million, one hundred twenty-two thousand, nineteen".