1022306 has 4 divisors (see below), whose sum is σ = 1533462. Its totient is φ = 511152.

The previous prime is 1022303. The next prime is 1022341. The reversal of 1022306 is 6032201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6032201 = 7 ⋅861743.

It can be written as a sum of positive squares in only one way, i.e., 1018081 + 4225 = 1009^2 + 65^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1022303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255575 + ... + 255578.

2^1022306 is an apocalyptic number.

1022306 is a deficient number, since it is larger than the sum of its proper divisors (511156).

1022306 is an equidigital number, since it uses as much as digits as its factorization.

1022306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511155.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1022306 is about 1011.0914894311. The cubic root of 1022306 is about 100.7380724221.

Adding to 1022306 its reverse (6032201), we get a palindrome (7054507).

The spelling of 1022306 in words is "one million, twenty-two thousand, three hundred six".