22230230437 has 2 divisors, whose sum is σ = 22230230438. Its totient is φ = 22230230436.

The previous prime is 22230230371. The next prime is 22230230461. The reversal of 22230230437 is 73403203222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12597593121 + 9632637316 = 112239^2 + 98146^2 .

It is a cyclic number.

It is not a de Polignac number, because 22230230437 - 2²⁷ = 22096012709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22230230497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115115218 + 11115115219.

It is an arithmetic number, because the mean of its divisors is an integer number (11115115219).

Almost surely, 2^22230230437 is an apocalyptic number.

It is an amenable number.

22230230437 is a deficient number, since it is larger than the sum of its proper divisors (1).

22230230437 is an equidigital number, since it uses as much as digits as its factorization.

22230230437 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 28.

Adding to 22230230437 its reverse (73403203222), we get a palindrome (95633433659).

The spelling of 22230230437 in words is "twenty-two billion, two hundred thirty million, two hundred thirty thousand, four hundred thirty-seven".