22450423466837 has 2 divisors, whose sum is σ = 22450423466838. Its totient is φ = 22450423466836.

The previous prime is 22450423466797. The next prime is 22450423466873. The reversal of 22450423466837 is 73866432405422.

Together with next prime (22450423466873) 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., 17441573568721 + 5008849898116 = 4176311^2 + 2238046^2 .

It is a cyclic number.

It is not a de Polignac number, because 22450423466837 - 2¹² = 22450423462741 is a prime.

It is a super-3 number, since 3×22450423466837³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22450423466897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11225211733418 + 11225211733419.

It is an arithmetic number, because the mean of its divisors is an integer number (11225211733419).

Almost surely, 2^{22450423466837} is an apocalyptic number.

It is an amenable number.

22450423466837 is a deficient number, since it is larger than the sum of its proper divisors (1).

22450423466837 is an equidigital number, since it uses as much as digits as its factorization.

22450423466837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46448640, while the sum is 56.

The spelling of 22450423466837 in words is "twenty-two trillion, four hundred fifty billion, four hundred twenty-three million, four hundred sixty-six thousand, eight hundred thirty-seven".