22231461073 has 2 divisors, whose sum is σ = 22231461074. Its totient is φ = 22231461072.

The previous prime is 22231461071. The next prime is 22231461079. The reversal of 22231461073 is 37016413222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15190069504 + 7041391569 = 123248^2 + 83913^2 .

It is a cyclic number.

It is not a de Polignac number, because 22231461073 - 2¹ = 22231461071 is a prime.

It is a super-2 number, since 2×22231461073² (a number of 21 digits) contains 22 as substring.

Together with 22231461071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22231461071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115730536 + 11115730537.

It is an arithmetic number, because the mean of its divisors is an integer number (11115730537).

Almost surely, 2^22231461073 is an apocalyptic number.

It is an amenable number.

22231461073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22231461073 is an equidigital number, since it uses as much as digits as its factorization.

22231461073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 22231461073 its reverse (37016413222), we get a palindrome (59247874295).

The spelling of 22231461073 in words is "twenty-two billion, two hundred thirty-one million, four hundred sixty-one thousand, seventy-three".