1322023019 has 2 divisors, whose sum is σ = 1322023020. Its totient is φ = 1322023018.

The previous prime is 1322023013. The next prime is 1322023057. The reversal of 1322023019 is 9103202231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1322023019 - 2²⁴ = 1305245803 is a prime.

It is a super-2 number, since 2×1322023019² = 3495489725531748722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322022985 and 1322023003.

It is not a weakly prime, because it can be changed into another prime (1322023013) 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 as a sum of consecutive naturals, namely, 661011509 + 661011510.

It is an arithmetic number, because the mean of its divisors is an integer number (661011510).

Almost surely, 2^1322023019 is an apocalyptic number.

1322023019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322023019 is an equidigital number, since it uses as much as digits as its factorization.

1322023019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1322023019 is about 36359.6344728601. The cubic root of 1322023019 is about 1097.5214218106.

The spelling of 1322023019 in words is "one billion, three hundred twenty-two million, twenty-three thousand, nineteen".