2322111997 has 2 divisors, whose sum is σ = 2322111998. Its totient is φ = 2322111996.

The previous prime is 2322111973. The next prime is 2322112019. The reversal of 2322111997 is 7991112232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2187807076 + 134304921 = 46774^2 + 11589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2322111997 is a prime.

It is a super-2 number, since 2×2322111997² = 10784408253222656018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2322111937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161055998 + 1161055999.

It is an arithmetic number, because the mean of its divisors is an integer number (1161055999).

Almost surely, 2^2322111997 is an apocalyptic number.

It is an amenable number.

2322111997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2322111997 is an equidigital number, since it uses as much as digits as its factorization.

2322111997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 37.

The square root of 2322111997 is about 48188.2973033910. The cubic root of 2322111997 is about 1324.2227784555. Note that the first 3 decimals are identical.

The spelling of 2322111997 in words is "two billion, three hundred twenty-two million, one hundred eleven thousand, nine hundred ninety-seven".