234222437 has 2 divisors, whose sum is σ = 234222438. Its totient is φ = 234222436.

The previous prime is 234222433. The next prime is 234222509. The reversal of 234222437 is 734222432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188403076 + 45819361 = 13726^2 + 6769^2 .

It is a cyclic number.

It is not a de Polignac number, because 234222437 - 2² = 234222433 is a prime.

It is equal to p_12861605 and since 234222437 and 12861605 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234222433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117111218 + 117111219.

It is an arithmetic number, because the mean of its divisors is an integer number (117111219).

Almost surely, 2^234222437 is an apocalyptic number.

It is an amenable number.

234222437 is a deficient number, since it is larger than the sum of its proper divisors (1).

234222437 is an equidigital number, since it uses as much as digits as its factorization.

234222437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 29.

The square root of 234222437 is about 15304.3273945639. The cubic root of 234222437 is about 616.4192108027.

Adding to 234222437 its reverse (734222432), we get a palindrome (968444869).

The spelling of 234222437 in words is "two hundred thirty-four million, two hundred twenty-two thousand, four hundred thirty-seven".