1662122 has 32 divisors (see below), whose sum is σ = 3193344. Its totient is φ = 630000.

The previous prime is 1662121. The next prime is 1662149. The reversal of 1662122 is 2212661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1662094 and 1662103.

It is not an unprimeable number, because it can be changed into a prime (1662121) 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, 6497 + ... + 6747.

It is an arithmetic number, because the mean of its divisors is an integer number (99792).

2^1662122 is an apocalyptic number.

1662122 is a deficient number, since it is larger than the sum of its proper divisors (1531222).

1662122 is a wasteful number, since it uses less digits than its factorization.

1662122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its digits is 288, while the sum is 20.

The square root of 1662122 is about 1289.2331053770. The cubic root of 1662122 is about 118.4552460860.

Adding to 1662122 its reverse (2212661), we get a palindrome (3874783).

The spelling of 1662122 in words is "one million, six hundred sixty-two thousand, one hundred twenty-two".