22064032972837 has 2 divisors, whose sum is σ = 22064032972838. Its totient is φ = 22064032972836.

The previous prime is 22064032972753. The next prime is 22064032972907. The reversal of 22064032972837 is 73827923046022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21272029089921 + 792003882916 = 4612161^2 + 889946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22064032972837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22064032973837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11032016486418 + 11032016486419.

It is an arithmetic number, because the mean of its divisors is an integer number (11032016486419).

Almost surely, 2^{22064032972837} is an apocalyptic number.

It is an amenable number.

22064032972837 is a deficient number, since it is larger than the sum of its proper divisors (1).

22064032972837 is an equidigital number, since it uses as much as digits as its factorization.

22064032972837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 22064032972837 in words is "twenty-two trillion, sixty-four billion, thirty-two million, nine hundred seventy-two thousand, eight hundred thirty-seven".