22150517064427 has 2 divisors, whose sum is σ = 22150517064428. Its totient is φ = 22150517064426.

The previous prime is 22150517064341. The next prime is 22150517064439. The reversal of 22150517064427 is 72446071505122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22150517064427 - 2¹⁵ = 22150517031659 is a prime.

It is not a weakly prime, because it can be changed into another prime (22150517064127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075258532213 + 11075258532214.

It is an arithmetic number, because the mean of its divisors is an integer number (11075258532214).

Almost surely, 2^{22150517064427} is an apocalyptic number.

22150517064427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22150517064427 is an equidigital number, since it uses as much as digits as its factorization.

22150517064427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 940800, while the sum is 46.

Adding to 22150517064427 its reverse (72446071505122), we get a palindrome (94596588569549).

The spelling of 22150517064427 in words is "twenty-two trillion, one hundred fifty billion, five hundred seventeen million, sixty-four thousand, four hundred twenty-seven".