1022726 has 16 divisors (see below), whose sum is σ = 1593648. Its totient is φ = 492000.

The previous prime is 1022719. The next prime is 1022729. The reversal of 1022726 is 6272201.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1022698 and 1022707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022729) 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 in 7 ways as a sum of consecutive naturals, for example, 10076 + ... + 10176.

It is an arithmetic number, because the mean of its divisors is an integer number (99603).

2^1022726 is an apocalyptic number.

1022726 is a deficient number, since it is larger than the sum of its proper divisors (570922).

1022726 is a wasteful number, since it uses less digits than its factorization.

1022726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1022726 is about 1011.2991644415. The cubic root of 1022726 is about 100.7518661387.

Adding to 1022726 its reverse (6272201), we get a palindrome (7294927).

The spelling of 1022726 in words is "one million, twenty-two thousand, seven hundred twenty-six".