1000022237 has 2 divisors, whose sum is σ = 1000022238. Its totient is φ = 1000022236.

The previous prime is 1000022213. The next prime is 1000022239. The reversal of 1000022237 is 7322200001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 913792441 + 86229796 = 30229^2 + 9286^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000022237 - 2⁶ = 1000022173 is a prime.

It is a super-3 number, since 3×1000022237³ (a number of 28 digits) contains 333 as substring.

Together with 1000022239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000022239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500011118 + 500011119.

It is an arithmetic number, because the mean of its divisors is an integer number (500011119).

Almost surely, 2^1000022237 is an apocalyptic number.

It is an amenable number.

1000022237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000022237 is an equidigital number, since it uses as much as digits as its factorization.

1000022237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1000022237 is about 31623.1281975708. The cubic root of 1000022237 is about 1000.0074122784.

Adding to 1000022237 its reverse (7322200001), we get a palindrome (8322222238).

The spelling of 1000022237 in words is "one billion, twenty-two thousand, two hundred thirty-seven".