1022626 has 32 divisors (see below), whose sum is σ = 1824768. Its totient is φ = 425040.

The previous prime is 1022611. The next prime is 1022629. The reversal of 1022626 is 6262201.

It is not an unprimeable number, because it can be changed into a prime (1022629) 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 15 ways as a sum of consecutive naturals, for example, 21735 + ... + 21781.

It is an arithmetic number, because the mean of its divisors is an integer number (57024).

2^1022626 is an apocalyptic number.

1022626 is the 506-th decagonal number.

1022626 is a deficient number, since it is larger than the sum of its proper divisors (802142).

1022626 is a wasteful number, since it uses less digits than its factorization.

1022626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1022626 is about 1011.2497218788. The cubic root of 1022626 is about 100.7485822631.

Adding to 1022626 its reverse (6262201), we get a palindrome (7284827).

The spelling of 1022626 in words is "one million, twenty-two thousand, six hundred twenty-six".