222437 has 2 divisors, whose sum is σ = 222438. Its totient is φ = 222436.

The previous prime is 222419. The next prime is 222461. The reversal of 222437 is 734222.

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., 148996 + 73441 = 386^2 + 271^2 .

It is a cyclic number.

It is not a de Polignac number, because 222437 - 2¹⁰ = 221413 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 222437.

It is not a weakly prime, because it can be changed into another prime (222137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111218 + 111219.

It is an arithmetic number, because the mean of its divisors is an integer number (111219).

2²²²⁴³⁷ is an apocalyptic number.

It is an amenable number.

222437 is a deficient number, since it is larger than the sum of its proper divisors (1).

222437 is an equidigital number, since it uses as much as digits as its factorization.

222437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 20.

The square root of 222437 is about 471.6322720086. The cubic root of 222437 is about 60.5901940005.

Adding to 222437 its reverse (734222), we get a palindrome (956659).

The spelling of 222437 in words is "two hundred twenty-two thousand, four hundred thirty-seven".