22431100073 has 2 divisors, whose sum is σ = 22431100074. Its totient is φ = 22431100072.

The previous prime is 22431100051. The next prime is 22431100141. The reversal of 22431100073 is 37000113422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20133623449 + 2297476624 = 141893^2 + 47932^2 .

It is a cyclic number.

It is not a de Polignac number, because 22431100073 - 2¹⁰ = 22431099049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22431000073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11215550036 + 11215550037.

It is an arithmetic number, because the mean of its divisors is an integer number (11215550037).

Almost surely, 2^22431100073 is an apocalyptic number.

It is an amenable number.

22431100073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22431100073 is an equidigital number, since it uses as much as digits as its factorization.

22431100073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 22431100073 its reverse (37000113422), we get a palindrome (59431213495).

The spelling of 22431100073 in words is "twenty-two billion, four hundred thirty-one million, one hundred thousand, seventy-three".