222241223437 has 2 divisors, whose sum is σ = 222241223438. Its totient is φ = 222241223436.

The previous prime is 222241223429. The next prime is 222241223489. The reversal of 222241223437 is 734322142222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154872944521 + 67368278916 = 393539^2 + 259554^2 .

It is a cyclic number.

It is not a de Polignac number, because 222241223437 - 2³ = 222241223429 is a prime.

It is a super-2 number, since 2×222241223437² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222241223837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111120611718 + 111120611719.

It is an arithmetic number, because the mean of its divisors is an integer number (111120611719).

Almost surely, 2^222241223437 is an apocalyptic number.

It is an amenable number.

222241223437 is a deficient number, since it is larger than the sum of its proper divisors (1).

222241223437 is an equidigital number, since it uses as much as digits as its factorization.

222241223437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 34.

Adding to 222241223437 its reverse (734322142222), we get a palindrome (956563365659).

The spelling of 222241223437 in words is "two hundred twenty-two billion, two hundred forty-one million, two hundred twenty-three thousand, four hundred thirty-seven".