22220946469297 has 2 divisors, whose sum is σ = 22220946469298. Its totient is φ = 22220946469296.

The previous prime is 22220946469279. The next prime is 22220946469301. The reversal of 22220946469297 is 79296464902222.

Together with previous prime (22220946469279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16760541233296 + 5460405236001 = 4093964^2 + 2336751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220946469297 is a prime.

It is not a weakly prime, because it can be changed into another prime (22220943469297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110473234648 + 11110473234649.

It is an arithmetic number, because the mean of its divisors is an integer number (11110473234649).

Almost surely, 2^{22220946469297} is an apocalyptic number.

It is an amenable number.

22220946469297 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220946469297 is an equidigital number, since it uses as much as digits as its factorization.

22220946469297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94058496, while the sum is 64.

The spelling of 22220946469297 in words is "twenty-two trillion, two hundred twenty billion, nine hundred forty-six million, four hundred sixty-nine thousand, two hundred ninety-seven".