22230073 has 2 divisors, whose sum is σ = 22230074. Its totient is φ = 22230072.

The previous prime is 22230059. The next prime is 22230083. The reversal of 22230073 is 37003222.

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., 13307904 + 8922169 = 3648^2 + 2987^2 .

It is a cyclic number.

It is not a de Polignac number, because 22230073 - 2⁹ = 22229561 is a prime.

It is a super-2 number, since 2×22230073² = 988352291170658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22230073.

It is not a weakly prime, because it can be changed into another prime (22230023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115036 + 11115037.

It is an arithmetic number, because the mean of its divisors is an integer number (11115037).

Almost surely, 2^22230073 is an apocalyptic number.

It is an amenable number.

22230073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22230073 is an equidigital number, since it uses as much as digits as its factorization.

22230073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 22230073 is about 4714.8778351088. The cubic root of 22230073 is about 281.1773258813.

Adding to 22230073 its reverse (37003222), we get a palindrome (59233295).

The spelling of 22230073 in words is "twenty-two million, two hundred thirty thousand, seventy-three".