1089422 has 8 divisors (see below), whose sum is σ = 1720200. Its totient is φ = 516024.

The previous prime is 1089421. The next prime is 1089427. The reversal of 1089422 is 2249801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1089391 and 1089400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089421) 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 3 ways as a sum of consecutive naturals, for example, 14297 + ... + 14372.

It is an arithmetic number, because the mean of its divisors is an integer number (215025).

2^1089422 is an apocalyptic number.

1089422 is a deficient number, since it is larger than the sum of its proper divisors (630778).

1089422 is a wasteful number, since it uses less digits than its factorization.

1089422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28690.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1089422 is about 1043.7538023883. The cubic root of 1089422 is about 102.8960524822.

The spelling of 1089422 in words is "one million, eighty-nine thousand, four hundred twenty-two".