22152222073 has 2 divisors, whose sum is σ = 22152222074. Its totient is φ = 22152222072.

The previous prime is 22152222013. The next prime is 22152222097. The reversal of 22152222073 is 37022225122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21436766569 + 715455504 = 146413^2 + 26748^2 .

It is a cyclic number.

It is not a de Polignac number, because 22152222073 - 2³³ = 13562287481 is a prime.

It is not a weakly prime, because it can be changed into another prime (22152222013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11076111036 + 11076111037.

It is an arithmetic number, because the mean of its divisors is an integer number (11076111037).

Almost surely, 2^22152222073 is an apocalyptic number.

It is an amenable number.

22152222073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22152222073 is an equidigital number, since it uses as much as digits as its factorization.

22152222073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 22152222073 its reverse (37022225122), we get a palindrome (59174447195).

The spelling of 22152222073 in words is "twenty-two billion, one hundred fifty-two million, two hundred twenty-two thousand, seventy-three".